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[Trygve Vea <2028142@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Confirmed on:

- RDO stable/2023.1 (antelope)
- Almalinux 9, kernel 5.14.0-284.18.1.el9_2.x86_64
- Neutron 22.0.2 (RDO)
- OVN 22.12 (from CentOS SIG)

How to reproduce:

- Have a functioning instance which gets its IP address from DHCP
- Ensure that you have a user that can log in through console
- Remove default egress rules ("any" to 0.0.0.0/0)
- Reboot instance
- Watch instance not having IP

Workaround:

- Add a security group rule that allows egress udp 67:68 to 0.0.0.0/0
will ensure that the instance gets an IP.


See also: https://bugs.launchpad.net/networking-ovn/+bug/1536028

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2028142

Title:
  VM can't get IP without default egress rules on OVN

Status in neutron:
  New

Bug description:
  Confirmed on:

  - RDO stable/2023.1 (antelope)
  - Almalinux 9, kernel 5.14.0-284.18.1.el9_2.x86_64
  - Neutron 22.0.2 (RDO)
  - OVN 22.12 (from CentOS SIG)

  How to reproduce:

  - Have a functioning instance which gets its IP address from DHCP
  - Ensure that you have a user that can log in through console
  - Remove default egress rules ("any" to 0.0.0.0/0)
  - Reboot instance
  - Watch instance not having IP

  Workaround:

  - Add a security group rule that allows egress udp 67:68 to 0.0.0.0/0
  will ensure that the instance gets an IP.

  
  See also: https://bugs.launchpad.net/networking-ovn/+bug/1536028

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