Bug [1] was reported against the OpenStack networking-ovn project. VM live migration sometimes results in the loss of network connectivity when provider networks are used with OVN. Discussion in [1] indicates that the problem is likely the lack of a gratuitous arp during the migration process.
[1] https://bugs.launchpad.net/networking-ovn/+bug/1545897 Thanks, Richard Theis IBM Cloud & OpenStack Development Phone: 1-720-396-3956 | Tie-Line: 938-3956 | Mobile: 1-320-333-9338 E-mail: rth...@us.ibm.com
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