OSP17.1: Deployment stuck in "Manage firewall rules" phase

Issue

• During the deployment of OSP17.1 the Manage firewall rules section gets stuck with almost no activity on the overcloud nodes.

• It's only the Controller nodes where it takes long:

  2023-08-23 11:54:40,116 p=89502 u=stack n=ansible | 2023-08-23 11:54:40.115993 | fa163e1d-f3ca-004e-1d59-000000003703 |    SUMMARY | overcloud-controller-1 | tripleo_firewall : Manage firewall rules | 3335.07s
  2023-08-23 11:54:40,116 p=89502 u=stack n=ansible | 2023-08-23 11:54:40.116415 | fa163e1d-f3ca-004e-1d59-000000003703 |    SUMMARY | overcloud-controller-0 | tripleo_firewall : Manage firewall rules | 3072.81s
  2023-08-23 11:54:40,117 p=89502 u=stack n=ansible | 2023-08-23 11:54:40.116855 | fa163e1d-f3ca-004e-1d59-000000003703 |    SUMMARY | overcloud-controller-2 | tripleo_firewall : Manage firewall rules | 2229.57s
  

• The nodes become UNREACHABLE at some point too:

  2023-08-23 11:26:18,143 p=89502 u=stack n=ansible | 2023-08-23 11:26:18.143012 | fa163e1d-f3ca-004e-1d59-000000003703 | UNREACHABLE | Manage firewall rules | overcloud-controller-2
  2023-08-23 11:40:22,216 p=89502 u=stack n=ansible | 2023-08-23 11:40:22.215375 | fa163e1d-f3ca-004e-1d59-000000003703 | UNREACHABLE | Manage firewall rules | overcloud-controller-0
  2023-08-23 11:44:44,994 p=89502 u=stack n=ansible | 2023-08-23 11:44:44.994172 | fa163e1d-f3ca-004e-1d59-000000003703 | UNREACHABLE | Manage firewall rules | overcloud-controller-1
  2023-08-23 11:54:40,116 p=89502 u=stack n=ansible | 2023-08-23 11:54:40.115993 | fa163e1d-f3ca-004e-1d59-000000003703 |    SUMMARY | overcloud-controller-1 | tripleo_firewall : Manage firewall rules | 3335.07s
  2023-08-23 11:54:40,116 p=89502 u=stack n=ansible | 2023-08-23 11:54:40.116415 | fa163e1d-f3ca-004e-1d59-000000003703 |    SUMMARY | overcloud-controller-0 | tripleo_firewall : Manage firewall rules | 3072.81s
  2023-08-23 11:54:40,117 p=89502 u=stack n=ansible | 2023-08-23 11:54:40.116855 | fa163e1d-f3ca-004e-1d59-000000003703 |    SUMMARY | overcloud-controller-2 | tripleo_firewall : Manage firewall rules | 2229.57s