I was trying to track down some connectivity issues with some baremetal nodes booting from iSCSI LUNs provided by Cinder. It turns out that openvswitch is going belly-up. We see in openvswitch-agent.log a "Switch connection timeout" error [1]. Just before that, in /var/log/openvswitch/ovs-vswitchd.log, we see: 2019-02-21T00:32:38.696Z|00795|bridge|INFO|bridge br-tun: deleted interface patch-int on port 1 2019-02-21T00:32:38.696Z|00796|bridge|INFO|bridge br-tun: deleted interface br-tun on port 65534 2019-02-21T00:32:38.823Z|00797|bridge|INFO|bridge br-int: deleted interface int-br-ctlplane on port 1 2019-02-21T00:32:38.823Z|00798|bridge|INFO|bridge br-int: deleted interface br-int on port 65534 2019-02-21T00:32:38.823Z|00799|bridge|INFO|bridge br-int: deleted interface tapb0101920-b9 on port 4 2019-02-21T00:32:38.824Z|00800|bridge|INFO|bridge br-int: deleted interface patch-tun on port 3 2019-02-21T00:32:38.954Z|00801|bridge|INFO|bridge br-ctlplane: deleted interface phy-br-ctlplane on port 4 2019-02-21T00:32:38.954Z|00802|bridge|INFO|bridge br-ctlplane: deleted interface br-ctlplane on port 65534 2019-02-21T00:32:38.954Z|00803|bridge|INFO|bridge br-ctlplane: deleted interface em2 on port 3 At this point, while the output from 'ovs-vsctl' looks fine, other tools like ovs-ofctl report: ovs-ofctl: br-int is not a bridge or a socket Has anyone seen this before? [1] https://termbin.com/ipil -- Lars Kellogg-Stedman <lars@redhat.com> | larsks @ {irc,twitter,github} http://blog.oddbit.com/ |