# Interfaces before installing NSM v1.3.0-rc.1 vm-001 ~ # ip a 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet 127.0.0.0/8 scope host secondary lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:00:01 brd ff:ff:ff:ff:ff:ff inet 192.168.0.1/24 scope global eth0 valid_lft forever preferred_lft forever inet6 1000::1:c0a8:1/120 scope global valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:1/64 scope link valid_lft forever preferred_lft forever 3: eth1: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:01:01 brd ff:ff:ff:ff:ff:ff inet 192.168.1.1/24 scope global eth1 valid_lft forever preferred_lft forever inet6 1000::1:c0a8:101/120 scope global valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:101/64 scope link valid_lft forever preferred_lft forever 4: tunl0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 5: gre0@NONE: mtu 1476 qdisc noop state DOWN group default qlen 1000 link/gre 0.0.0.0 brd 0.0.0.0 6: gretap0@NONE: mtu 1462 qdisc noop state DOWN group default qlen 1000 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 7: erspan0@NONE: mtu 1450 qdisc noop state DOWN group default qlen 1000 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 8: ip_vti0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 9: ip6_vti0@NONE: mtu 1428 qdisc noop state DOWN group default qlen 1000 link/tunnel6 :: brd :: permaddr c282:afb0:5fc6:: 10: sit0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/sit 0.0.0.0 brd 0.0.0.0 11: ip6tnl0@NONE: mtu 1452 qdisc noop state DOWN group default qlen 1000 link/tunnel6 :: brd :: permaddr 92c9:e83b:1b43:: 12: ip6gre0@NONE: mtu 1448 qdisc noop state DOWN group default qlen 1000 link/gre6 :: brd :: permaddr 2e7c:ae41:40e:: 13: cbr0: mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 0e:b1:8a:c4:5e:94 brd ff:ff:ff:ff:ff:ff inet6 fe80::cb1:8aff:fec4:5e94/64 scope link valid_lft forever preferred_lft forever 14: dummy0: mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 92:c2:cf:46:24:f7 brd ff:ff:ff:ff:ff:ff 15: kube-ipvs0: mtu 1500 qdisc noop state DOWN group default link/ether 8a:49:a1:d2:cf:7e brd ff:ff:ff:ff:ff:ff inet 12.0.0.1/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.96.252/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.166.1/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever vm-002 ~ # ip a 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet 127.0.0.0/8 scope host secondary lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:00:02 brd ff:ff:ff:ff:ff:ff inet 192.168.0.2/24 scope global eth0 valid_lft forever preferred_lft forever inet6 1000::1:c0a8:2/120 scope global valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:2/64 scope link valid_lft forever preferred_lft forever 3: eth1: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:01:02 brd ff:ff:ff:ff:ff:ff inet 192.168.1.2/24 scope global eth1 valid_lft forever preferred_lft forever inet6 1000::1:c0a8:102/120 scope global valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:102/64 scope link valid_lft forever preferred_lft forever 4: tunl0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 5: gre0@NONE: mtu 1476 qdisc noop state DOWN group default qlen 1000 link/gre 0.0.0.0 brd 0.0.0.0 6: gretap0@NONE: mtu 1462 qdisc noop state DOWN group default qlen 1000 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 7: erspan0@NONE: mtu 1450 qdisc noop state DOWN group default qlen 1000 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 8: ip_vti0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 9: ip6_vti0@NONE: mtu 1428 qdisc noop state DOWN group default qlen 1000 link/tunnel6 :: brd :: permaddr aece:54a7:5217:: 10: sit0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/sit 0.0.0.0 brd 0.0.0.0 11: ip6tnl0@NONE: mtu 1452 qdisc noop state DOWN group default qlen 1000 link/tunnel6 :: brd :: permaddr 82fe:500e:94ee:: 12: ip6gre0@NONE: mtu 1448 qdisc noop state DOWN group default qlen 1000 link/gre6 :: brd :: permaddr 527e:62b5:82c3:: 13: cbr0: mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 3a:0c:e7:32:84:6a brd ff:ff:ff:ff:ff:ff inet 11.0.2.1/24 brd 11.0.2.255 scope global cbr0 valid_lft forever preferred_lft forever inet6 1100::201/120 scope global valid_lft forever preferred_lft forever inet6 fe80::380c:e7ff:fe32:846a/64 scope link valid_lft forever preferred_lft forever 14: dummy0: mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 5a:96:72:c0:95:c9 brd ff:ff:ff:ff:ff:ff 15: kube-ipvs0: mtu 1500 qdisc noop state DOWN group default link/ether 16:30:c7:bd:fa:4a brd ff:ff:ff:ff:ff:ff inet 12.0.0.1/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.96.252/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.166.1/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever 16: vethd0a1e9d0@if11: mtu 1500 qdisc noqueue master cbr0 state UP group default link/ether 4a:58:e9:2e:f1:f8 brd ff:ff:ff:ff:ff:ff link-netns a1fee74d-55b6-45db-8965-bebd2570294b inet6 fe80::4858:e9ff:fe2e:f1f8/64 scope link valid_lft forever preferred_lft forever -------------------------------------------------------------------------------------------------------------------- # Interfaces after installing NSM v1.3.0-rc.1 # Note: NSM_TUNNEL_IP is hosted by eth1 vm-001 ~ # ip a 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet 127.0.0.0/8 scope host secondary lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:00:01 brd ff:ff:ff:ff:ff:ff inet 192.168.0.1/24 scope global eth0 valid_lft forever preferred_lft forever inet6 1000::1:c0a8:1/120 scope global valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:1/64 scope link valid_lft forever preferred_lft forever 3: eth1: mtu 1544 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:01:01 brd ff:ff:ff:ff:ff:ff inet 192.168.1.1/24 scope global eth1 valid_lft forever preferred_lft forever inet6 1000::1:c0a8:101/120 scope global valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:101/64 scope link valid_lft forever preferred_lft forever 4: tunl0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 5: gre0@NONE: mtu 1476 qdisc noop state DOWN group default qlen 1000 link/gre 0.0.0.0 brd 0.0.0.0 6: gretap0@NONE: mtu 1462 qdisc noop state DOWN group default qlen 1000 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 7: erspan0@NONE: mtu 1450 qdisc noop state DOWN group default qlen 1000 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 8: ip_vti0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 9: ip6_vti0@NONE: mtu 1428 qdisc noop state DOWN group default qlen 1000 link/tunnel6 :: brd :: permaddr c282:afb0:5fc6:: 10: sit0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/sit 0.0.0.0 brd 0.0.0.0 11: ip6tnl0@NONE: mtu 1452 qdisc noop state DOWN group default qlen 1000 link/tunnel6 :: brd :: permaddr 92c9:e83b:1b43:: 12: ip6gre0@NONE: mtu 1448 qdisc noop state DOWN group default qlen 1000 link/gre6 :: brd :: permaddr 2e7c:ae41:40e:: 13: cbr0: mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 0e:b1:8a:c4:5e:94 brd ff:ff:ff:ff:ff:ff inet 11.0.1.1/24 brd 11.0.1.255 scope global cbr0 valid_lft forever preferred_lft forever inet6 1100::101/120 scope global valid_lft forever preferred_lft forever inet6 fe80::cb1:8aff:fec4:5e94/64 scope link valid_lft forever preferred_lft forever 14: dummy0: mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 92:c2:cf:46:24:f7 brd ff:ff:ff:ff:ff:ff 15: kube-ipvs0: mtu 1500 qdisc noop state DOWN group default link/ether 8a:49:a1:d2:cf:7e brd ff:ff:ff:ff:ff:ff inet 12.0.0.1/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.96.252/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.166.1/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.29.198/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.73.78/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever 16: veth093b5e52@if11: mtu 1500 qdisc noqueue master cbr0 state UP group default link/ether 8e:e4:58:fa:18:c6 brd ff:ff:ff:ff:ff:ff link-netns ff512917-fc30-45e1-be05-d35b226a9a2a inet6 fe80::8ce4:58ff:fefa:18c6/64 scope link valid_lft forever preferred_lft forever vm-002 ~ # ip a 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet 127.0.0.0/8 scope host secondary lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1544 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:00:02 brd ff:ff:ff:ff:ff:ff inet 192.168.0.2/24 scope global eth0 valid_lft forever preferred_lft forever inet6 1000::1:c0a8:2/120 scope global valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:2/64 scope link valid_lft forever preferred_lft forever 3: eth1: mtu 1544 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:00:00:01:01:02 brd ff:ff:ff:ff:ff:ff inet 192.168.1.2/24 scope global eth1 valid_lft forever preferred_lft forever inet6 1000::1:c0a8:102/120 scope global valid_lft forever preferred_lft forever inet6 fe80::200:ff:fe01:102/64 scope link valid_lft forever preferred_lft forever 4: tunl0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 5: gre0@NONE: mtu 1476 qdisc noop state DOWN group default qlen 1000 link/gre 0.0.0.0 brd 0.0.0.0 6: gretap0@NONE: mtu 1462 qdisc noop state DOWN group default qlen 1000 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 7: erspan0@NONE: mtu 1450 qdisc noop state DOWN group default qlen 1000 link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff 8: ip_vti0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/ipip 0.0.0.0 brd 0.0.0.0 9: ip6_vti0@NONE: mtu 1428 qdisc noop state DOWN group default qlen 1000 link/tunnel6 :: brd :: permaddr aece:54a7:5217:: 10: sit0@NONE: mtu 1480 qdisc noop state DOWN group default qlen 1000 link/sit 0.0.0.0 brd 0.0.0.0 11: ip6tnl0@NONE: mtu 1452 qdisc noop state DOWN group default qlen 1000 link/tunnel6 :: brd :: permaddr 82fe:500e:94ee:: 12: ip6gre0@NONE: mtu 1448 qdisc noop state DOWN group default qlen 1000 link/gre6 :: brd :: permaddr 527e:62b5:82c3:: 13: cbr0: mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 3a:0c:e7:32:84:6a brd ff:ff:ff:ff:ff:ff inet 11.0.2.1/24 brd 11.0.2.255 scope global cbr0 valid_lft forever preferred_lft forever inet6 1100::201/120 scope global valid_lft forever preferred_lft forever inet6 fe80::380c:e7ff:fe32:846a/64 scope link valid_lft forever preferred_lft forever 14: dummy0: mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 5a:96:72:c0:95:c9 brd ff:ff:ff:ff:ff:ff 15: kube-ipvs0: mtu 1500 qdisc noop state DOWN group default link/ether 16:30:c7:bd:fa:4a brd ff:ff:ff:ff:ff:ff inet 12.0.0.1/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.96.252/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.166.1/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.29.198/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever inet 12.0.73.78/32 scope global kube-ipvs0 valid_lft forever preferred_lft forever 16: vethd0a1e9d0@if11: mtu 1500 qdisc noqueue master cbr0 state UP group default link/ether 4a:58:e9:2e:f1:f8 brd ff:ff:ff:ff:ff:ff link-netns a1fee74d-55b6-45db-8965-bebd2570294b inet6 fe80::4858:e9ff:fe2e:f1f8/64 scope link valid_lft forever preferred_lft forever 17: veth737b8911@if11: mtu 1500 qdisc noqueue master cbr0 state UP group default link/ether ea:5c:e0:42:e2:31 brd ff:ff:ff:ff:ff:ff link-netns d408eb2b-9a44-4053-a3dd-218fea18d9d8 inet6 fe80::e85c:e0ff:fe42:e231/64 scope link valid_lft forever preferred_lft forever 18: veth1b04cfac@if11: mtu 1500 qdisc noqueue master cbr0 state UP group default link/ether 5a:68:05:25:66:7d brd ff:ff:ff:ff:ff:ff link-netns a8de070c-c9f0-4c7a-b561-2716def35368 inet6 fe80::5868:5ff:fe25:667d/64 scope link valid_lft forever preferred_lft forever 19: veth0dcadb48@if11: mtu 1500 qdisc noqueue master cbr0 state UP group default link/ether 4a:2b:c7:2d:b5:74 brd ff:ff:ff:ff:ff:ff link-netns 34bc2cf5-e03f-43dc-a6ee-4b4576704782 inet6 fe80::482b:c7ff:fe2d:b574/64 scope link valid_lft forever preferred_lft forever -------------------------------------------------------------------------------------------------------------------- Traffic impact: # vm-001 running TCP listener vm-001 ~ # nc -vvv -l -s 192.168.1.1 -p 8888 listening on 192.168.1.1:8888 ... connect to 192.168.1.1:8888 from vm-002:40155 (192.168.1.2:40155) # vm-002 TCP client connecting the server on vm-001 # (tcpdump to show retransmits of TCP payload with length 1480) vm-002 ~ # tcpdump -ni any tcp port 8888 or icmp & vm-002 ~ # tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on any, link-type LINUX_SLL (Linux cooked v1), capture size 262144 bytes vm-002 ~ # nc -vvv 192.168.1.1 8888 19:11:58.754402 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [S], seq 902457040, win 64672, options [mss 1504,sackOK,TS val 3857578905 ecr 0,nop,wscale 7], length 0 192.168.1.1 (192.168.1.1:8888) open 19:11:58.754690 IP 192.168.1.1.8888 > 192.168.1.2.40155: Flags [S.], seq 2166959282, ack 902457041, win 64156, options [mss 1504,sackOK,TS val 3203668475 ecr 3857578905,nop,wscale 7], length 0 19:11:58.754726 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [.], ack 1, win 506, options [nop,nop,TS val 3857578905 ecr 3203668475], length 0 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 19:12:41.796452 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857621947 ecr 3203668475], length 1480 19:12:42.002219 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857622153 ecr 3203668475], length 1480 19:12:42.210194 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857622361 ecr 3203668475], length 1480 19:12:42.638329 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857622789 ecr 3203668475], length 1480 19:12:43.470329 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857623621 ecr 3203668475], length 1480 19:12:45.134460 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857625285 ecr 3203668475], length 1480 19:12:48.526654 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857628677 ecr 3203668475], length 1480 19:12:55.183022 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857635334 ecr 3203668475], length 1480 19:13:08.495803 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857648646 ecr 3203668475], length 1480 19:13:34.869367 IP 192.168.1.2.40155 > 192.168.1.1.8888: Flags [P.], seq 1:1481, ack 1, win 506, options [nop,nop,TS val 3857675020 ecr 3203668475], length 1480