[Bug 1995735] Change abandoned on neutron (master)

[OpenStack Infra]

*** This bug is a duplicate of bug 1995469 ***
    https://bugs.launchpad.net/bugs/1995469

Change abandoned by "Slawek Kaplonski <skaplons at redhat.com>" on branch: master
Review: https://review.opendev.org/c/openstack/neutron/+/863779
Reason: This review is > 4 weeks without comment and currently blocked by a core reviewer with a -2. We are abandoning this for now. Feel free to reactivate the review by pressing the restore button and contacting the reviewer with the -2 on this review to ensure you address their concerns.

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https://bugs.launchpad.net/bugs/1995735

Title:
  neutron.privileged.agent.linux.ip_lib.InterfaceOperationNotSupported:
  Operation not supported on interface

Status in Ubuntu Cloud Archive:
  New
Status in Ubuntu Cloud Archive zed series:
  New
Status in neutron:
  In Progress
Status in neutron package in Ubuntu:
  New
Status in neutron source package in Kinetic:
  New

Bug description:
  When deploying OpenStack Zed on Kinetic, the neutron-ovn-metadata-
  agent fails to provision correctly the datapath for the metadata
  service.

  [Platform]

  - s390x
  - kinetic
  - ovn
  - Linux s4lp5 5.19.0-23-generic #24-Ubuntu SMP Fri Oct 14 15:39:36 UTC 2022 s390x s390x s390x GNU/Linux

  
  ii  openvswitch-common 3.0.0-0ubuntu1 s390x        Open vSwitch common components
  ii  linux-image-generic 5.19.0.23.22 s390x        Generic Linux kernel image

  
  Stacktrace:

  [-] Unexpected exception in notify_loop: neutron.privileged.agent.linux.ip_lib.InterfaceOperationNotSupported: Operation not supported on interface tapf5bae660-31, namespace ovnmeta-f5bae660-31f4-46ce-a93e-279bd493f6bc.
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/ovsdbapp/event.py", line 177, in notify_loop
      match.run(event, row, updates)
    File "/usr/lib/python3/dist-packages/neutron/agent/ovn/metadata/agent.py", line 90, in run
      self.agent.update_datapath(str(row.datapath.uuid), net_name)
    File "/usr/lib/python3/dist-packages/neutron/agent/ovn/metadata/agent.py", line 392, in update_datapath
      self.provision_datapath(datapath, net_name)
    File "/usr/lib/python3/dist-packages/neutron/agent/ovn/metadata/agent.py", line 487, in provision_datapath
      ip2.addr.delete(ipaddr)
    File "/usr/lib/python3/dist-packages/neutron/agent/linux/ip_lib.py", line 540, in delete
      delete_ip_address(cidr, self.name, self._parent.namespace)
    File "/usr/lib/python3/dist-packages/neutron/agent/linux/ip_lib.py", line 834, in delete_ip_address
      privileged.delete_ip_address(
    File "/usr/lib/python3/dist-packages/oslo_privsep/priv_context.py", line 271, in _wrap
      return self.channel.remote_call(name, args, kwargs,
    File "/usr/lib/python3/dist-packages/oslo_privsep/daemon.py", line 215, in remote_call
      raise exc_type(*result[2])
  neutron.privileged.agent.linux.ip_lib.InterfaceOperationNotSupported: Operation not supported on interface tapf5bae660-31, namespace ovnmeta-f5bae660-31f4-46ce-a93e-279bd493f6bc.

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