diff --git a/.github/workflows/cluster_endtoend_11.yml b/.github/workflows/cluster_endtoend_11.yml
index 92880758045..5ec5d45cc72 100644
--- a/.github/workflows/cluster_endtoend_11.yml
+++ b/.github/workflows/cluster_endtoend_11.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_12.yml b/.github/workflows/cluster_endtoend_12.yml
index ab5f53c7309..77934b909bd 100644
--- a/.github/workflows/cluster_endtoend_12.yml
+++ b/.github/workflows/cluster_endtoend_12.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_13.yml b/.github/workflows/cluster_endtoend_13.yml
index af71f68ebb8..c3604cef464 100644
--- a/.github/workflows/cluster_endtoend_13.yml
+++ b/.github/workflows/cluster_endtoend_13.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_14.yml b/.github/workflows/cluster_endtoend_14.yml
index 6c1b82eae99..e5873512672 100644
--- a/.github/workflows/cluster_endtoend_14.yml
+++ b/.github/workflows/cluster_endtoend_14.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_15.yml b/.github/workflows/cluster_endtoend_15.yml
index d40c0d3d6c6..0661e084b26 100644
--- a/.github/workflows/cluster_endtoend_15.yml
+++ b/.github/workflows/cluster_endtoend_15.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_16.yml b/.github/workflows/cluster_endtoend_16.yml
index c4119955d59..a21072bf604 100644
--- a/.github/workflows/cluster_endtoend_16.yml
+++ b/.github/workflows/cluster_endtoend_16.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_17.yml b/.github/workflows/cluster_endtoend_17.yml
index 5d3e7f94f1d..38944c257f1 100644
--- a/.github/workflows/cluster_endtoend_17.yml
+++ b/.github/workflows/cluster_endtoend_17.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_18.yml b/.github/workflows/cluster_endtoend_18.yml
index 803d1495e4c..85b25419b48 100644
--- a/.github/workflows/cluster_endtoend_18.yml
+++ b/.github/workflows/cluster_endtoend_18.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_19.yml b/.github/workflows/cluster_endtoend_19.yml
index 06a8e05ee30..582b7db0227 100644
--- a/.github/workflows/cluster_endtoend_19.yml
+++ b/.github/workflows/cluster_endtoend_19.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_20.yml b/.github/workflows/cluster_endtoend_20.yml
index c1606cb90de..d53175a88f3 100644
--- a/.github/workflows/cluster_endtoend_20.yml
+++ b/.github/workflows/cluster_endtoend_20.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_21.yml b/.github/workflows/cluster_endtoend_21.yml
index d9591e5f779..10f52f04178 100644
--- a/.github/workflows/cluster_endtoend_21.yml
+++ b/.github/workflows/cluster_endtoend_21.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_22.yml b/.github/workflows/cluster_endtoend_22.yml
index 015691f68bb..c1bcb675bae 100644
--- a/.github/workflows/cluster_endtoend_22.yml
+++ b/.github/workflows/cluster_endtoend_22.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_23.yml b/.github/workflows/cluster_endtoend_23.yml
index 6bc9bebc4d2..f7105bc96cd 100644
--- a/.github/workflows/cluster_endtoend_23.yml
+++ b/.github/workflows/cluster_endtoend_23.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_24.yml b/.github/workflows/cluster_endtoend_24.yml
index 4a555c270fe..ef3eaa00ce8 100644
--- a/.github/workflows/cluster_endtoend_24.yml
+++ b/.github/workflows/cluster_endtoend_24.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_26.yml b/.github/workflows/cluster_endtoend_26.yml
index 24d7bc135af..fdee5988cf0 100644
--- a/.github/workflows/cluster_endtoend_26.yml
+++ b/.github/workflows/cluster_endtoend_26.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_27.yml b/.github/workflows/cluster_endtoend_27.yml
index bac37c72a41..dea2e7336b9 100644
--- a/.github/workflows/cluster_endtoend_27.yml
+++ b/.github/workflows/cluster_endtoend_27.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_onlineddl_declarative.yml b/.github/workflows/cluster_endtoend_onlineddl_declarative.yml
index 538e76f4833..3a7381b37f2 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_declarative.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_declarative.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_onlineddl_ghost.yml b/.github/workflows/cluster_endtoend_onlineddl_ghost.yml
index 41756651338..22b049e9347 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_ghost.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_ghost.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_onlineddl_revert.yml b/.github/workflows/cluster_endtoend_onlineddl_revert.yml
index c81a039c4e5..a6937a9eb85 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_revert.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_revert.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
index 24fe0240437..5bd8a46a61c 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
index 714ae2aff06..56dd0231a4b 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_tabletmanager_throttler.yml b/.github/workflows/cluster_endtoend_tabletmanager_throttler.yml
index fcbee2a3217..7caa3ccde42 100644
--- a/.github/workflows/cluster_endtoend_tabletmanager_throttler.yml
+++ b/.github/workflows/cluster_endtoend_tabletmanager_throttler.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_tabletmanager_throttler_custom_config.yml b/.github/workflows/cluster_endtoend_tabletmanager_throttler_custom_config.yml
index d31f144bbc6..875efbed6da 100644
--- a/.github/workflows/cluster_endtoend_tabletmanager_throttler_custom_config.yml
+++ b/.github/workflows/cluster_endtoend_tabletmanager_throttler_custom_config.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_vreplication_basic.yml b/.github/workflows/cluster_endtoend_vreplication_basic.yml
index 0cf9553ce3c..427d8675d06 100644
--- a/.github/workflows/cluster_endtoend_vreplication_basic.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_basic.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_vreplication_cellalias.yml b/.github/workflows/cluster_endtoend_vreplication_cellalias.yml
index 0f7c8f79c4d..efdf95423d6 100644
--- a/.github/workflows/cluster_endtoend_vreplication_cellalias.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_cellalias.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_vreplication_migrate.yml b/.github/workflows/cluster_endtoend_vreplication_migrate.yml
index f9891931964..1e9f02b0153 100644
--- a/.github/workflows/cluster_endtoend_vreplication_migrate.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_migrate.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_vreplication_multicell.yml b/.github/workflows/cluster_endtoend_vreplication_multicell.yml
index 8ca6350f16c..72c92ebf610 100644
--- a/.github/workflows/cluster_endtoend_vreplication_multicell.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_multicell.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/cluster_endtoend_vreplication_v2.yml b/.github/workflows/cluster_endtoend_vreplication_v2.yml
index 3f11a78593f..a80745f35c7 100644
--- a/.github/workflows/cluster_endtoend_vreplication_v2.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_v2.yml
@@ -14,6 +14,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/unit_test_mariadb101.yml b/.github/workflows/unit_test_mariadb101.yml
index f886d0ddc8c..f2103fb9baf 100644
--- a/.github/workflows/unit_test_mariadb101.yml
+++ b/.github/workflows/unit_test_mariadb101.yml
@@ -13,6 +13,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/unit_test_mariadb103.yml b/.github/workflows/unit_test_mariadb103.yml
index 8d3c5380c2c..167b960fde6 100644
--- a/.github/workflows/unit_test_mariadb103.yml
+++ b/.github/workflows/unit_test_mariadb103.yml
@@ -13,6 +13,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/unit_test_mysql57.yml b/.github/workflows/unit_test_mysql57.yml
index e8120d4c1d0..5fe87fd09e4 100644
--- a/.github/workflows/unit_test_mysql57.yml
+++ b/.github/workflows/unit_test_mysql57.yml
@@ -13,6 +13,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/unit_test_mysql80.yml b/.github/workflows/unit_test_mysql80.yml
index 3b030662db3..6086d368c01 100644
--- a/.github/workflows/unit_test_mysql80.yml
+++ b/.github/workflows/unit_test_mysql80.yml
@@ -13,6 +13,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/.github/workflows/unit_test_percona56.yml b/.github/workflows/unit_test_percona56.yml
index b5ba5c39611..f7f71e6e518 100644
--- a/.github/workflows/unit_test_percona56.yml
+++ b/.github/workflows/unit_test_percona56.yml
@@ -13,6 +13,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/test/templates/cluster_endtoend_test.tpl b/test/templates/cluster_endtoend_test.tpl
index 662f7cb9ecb..7a6548a71a0 100644
--- a/test/templates/cluster_endtoend_test.tpl
+++ b/test/templates/cluster_endtoend_test.tpl
@@ -12,6 +12,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |
diff --git a/test/templates/unit_test.tpl b/test/templates/unit_test.tpl
index 6488d07558f..6cdd5273ae2 100644
--- a/test/templates/unit_test.tpl
+++ b/test/templates/unit_test.tpl
@@ -11,6 +11,10 @@ jobs:
       with:
         go-version: 1.15
 
+    - name: Tune the OS
+      run: |
+        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range
+
     # TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
     - name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
       run: |