[ovs-git] [ovn-org/ovn] 05e8df: ic: remove orphan port_binding after ts deletion

[Vladislav Odintsov]

  Branch: refs/heads/branch-21.06
  Home:   https://github.com/ovn-org/ovn
  Commit: 05e8df985281d44706523165f6498eb5416ba96e
      https://github.com/ovn-org/ovn/commit/05e8df985281d44706523165f6498eb5416ba96e
  Author: Vladislav Odintsov <odivlad at gmail.com>
  Date:   2021-09-07 (Tue, 07 Sep 2021)

  Changed paths:
    M ic/ovn-ic.c
    M tests/ovn-ic.at

  Log Message:
  -----------
  ic: remove orphan port_binding after ts deletion

When IC port_binding exists and transit switch is deleted,
the orphan port_binding is left in the IC_SB_DB.

This patch fixes such situation and adds test for this case.

Signed-off-by: Vladislav Odintsov <odivlad at gmail.com>
Signed-off-by: Han Zhou <hzhou at ovn.org>