[Bug 1998617] Re: Add route with --bfd, delete it and add it again leads to transaction error

[Frode Nordahl]

https://github.com/ovn-
org/ovn/commit/3755838f1a53cfdad0c035ffbd5fd9dba059a94b

** Changed in: ovn (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1998617

Title:
  Add route with --bfd, delete it and add it again leads to transaction
  error

Status in ovn package in Ubuntu:
  Fix Released

Bug description:
  $ sudo ovn-nbctl --bfd \
      lr-route-add 053a9b2e-cebe-4972-a44c-5596b9dd34b4 1.2.3.4 10.78.95.13 \
      lrp-0ae8c991-968e-4ae3-9ff8-9cc34383cfe0
  $ sudo ovn-nbctl lr-route-del 053a9b2e-cebe-4972-a44c-5596b9dd34b4 1.2.3.4
  $ sudo ovn-nbctl --bfd \
      lr-route-add 053a9b2e-cebe-4972-a44c-5596b9dd34b4 1.2.3.4 10.78.95.13 \
      lrp-0ae8c991-968e-4ae3-9ff8-9cc34383cfe0
  2022-12-02T16:04:19Z|00002|ovsdb_idl|WARN|transaction error: {"details":"Transaction causes multiple rows in \"BFD\" table to have identical values (lrp-0ae8c991-968e-4ae3-9ff8-9cc34383cfe0 and \"10.78.95.13\") for index on columns \"logical_port\" and \"dst_ip\".  First row, with UUID 051b51cb-53bf-4180-96ac-df6b1a132a3f, existed in the database before this transaction and was not modified by the transaction.  Second row, with UUID e3afd014-4ab5-4ed9-994f-ce28ff66366e, was inserted by this transaction.","error":"constraint violation"}
  ovn-nbctl: transaction error: {"details":"Transaction causes multiple rows in \"BFD\" table to have identical values (lrp-0ae8c991-968e-4ae3-9ff8-9cc34383cfe0 and \"10.78.95.13\") for index on columns \"logical_port\" and \"dst_ip\".  First row, with UUID 051b51cb-53bf-4180-96ac-df6b1a132a3f, existed in the database before this transaction and was not modified by the transaction.  Second row, with UUID e3afd014-4ab5-4ed9-994f-ce28ff66366e, was inserted by this transaction.","error":"constraint violation"}

  The root cause of this appears to be that deleting a route does not
  also clear up the corresponding BFD entry.

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