Vagrant with Rockylinux8: etcd cannot start: No route to host

[nltimv]

Environment:

• Cloud provider or hardware configuration:
  Desktop PC (AMD Ryzen 9 7900X, 32GB Memory)

• OS (printf "$(uname -srm)\n$(cat /etc/os-release)\n"):

Linux 6.3.9-arch1-1 x86_64
NAME="Arch Linux"
PRETTY_NAME="Arch Linux"
ID=arch
BUILD_ID=rolling
ANSI_COLOR="38;2;23;147;209"
HOME_URL="https://archlinux.org/"
DOCUMENTATION_URL="https://wiki.archlinux.org/"
SUPPORT_URL="https://bbs.archlinux.org/"
BUG_REPORT_URL="https://bugs.archlinux.org/"
PRIVACY_POLICY_URL="https://terms.archlinux.org/docs/privacy-policy/"
LOGO=archlinux-logo

• Version of Ansible (ansible --version):

ansible [core 2.12.10]
  config file = /home/nltimv/workspace/kubespray/ansible.cfg
  configured module search path = ['/home/nltimv/workspace/kubespray/library']
  ansible python module location = /home/nltimv/workspace/kubespray/venv/lib/python3.11/site-packages/ansible
  ansible collection location = /home/nltimv/.ansible/collections:/usr/share/ansible/collections
  executable location = /home/nltimv/workspace/kubespray/venv/bin/ansible
  python version = 3.11.3 (main, Jun  5 2023, 09:32:32) [GCC 13.1.1 20230429]
  jinja version = 3.1.2
  libyaml = True

• Version of Python (python --version):
  Python 3.11.3

Kubespray version (commit) (git rev-parse --short HEAD):
eb31653d6

Network plugin used:
flannel

Full inventory with variables (ansible -i inventory/sample/inventory.ini all -m debug -a "var=hostvars[inventory_hostname]"):

n/a

Command used to invoke ansible:
sudo vagrant up --provider=libvirt --provision

Output of ansible run:

https://gist.github.com/nltimv/5351c02c4a5a3c2e0bd93ab9365d7f18

TASK [etcd : Configure | Ensure etcd is running] *******************************
fatal: [kub-2]: FAILED! => {"changed": false, "msg": "Unable to start service etcd: Job for etcd.service failed because a timeout was exceeded.\nSee \"systemctl status etcd.service\" and \"journalctl -xe\" for details.\n"}
fatal: [kub-3]: FAILED! => {"changed": false, "msg": "Unable to start service etcd: Job for etcd.service failed because a timeout was exceeded.\nSee \"systemctl status etcd.service\" and \"journalctl -xe\" for details.\n"}
fatal: [kub-1]: FAILED! => {"changed": false, "msg": "Unable to start service etcd: Job for etcd.service failed because a timeout was exceeded.\nSee \"systemctl status etcd.service\" and \"journalctl -xe\" for details.\n"}
zaterdag 24 juni 2023  16:21:44 +0200 (0:01:30.519)       0:05:09.961 ********* 
zaterdag 24 juni 2023  16:21:44 +0200 (0:00:00.000)       0:05:09.961 ********* 

Anything else do we need to know:

Output of sudo journalctl -xe | tail -n 200 | grep etcd in one of the VM's:
https://gist.github.com/nltimv/4817e85e7d152f1e88b8d6052d04ecd1
Note the connection errors here:

{"level":"warn","ts":"2023-06-24T14:25:05.586Z","caller":"rafthttp/probing_status.go:68","msg":"prober detected unhealthy status","round-tripper-name":"ROUND_TRIPPER_SNAPSHOT","remote-peer-id":"741516e05330a44d","rtt":"0s","error":"dial tcp 10.0.20.102:2380: connect: no route to host"}

Stopping firewalld.service does the trick for me. This is already done automatically for other Red Hat based distros in the Vagrantfile, but not for Rocky Linux 8. I will submit a PR adding Rocky Linux to that list shortly