*Bug Description* We are using openstack ussuri with openvswitch version 2.13.3 and ovn version 20.03.2.
We are using ubuntu 18.04.5 LTS with kernel 4.15.0-122-generic. My question is sometimes and consistently all instances in one compute can't access and when hard reboot instance we got an error message: Unable to add port tapxxx to OVS bridge br-int. After restart ovs-vswitchd service all instances can be accessed.
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