[  724.412573] 8021q: adding VLAN 0 to HW filter on device fbond
[  724.537696] fab-br0: port 1(fbond) entered blocking state
[  724.537788] fab-br0: port 1(fbond) entered disabled state
[  724.537849] fbond: entered allmulticast mode
[  724.537989] fbond: entered promiscuous mode
[  724.551461] veth1-bond: entered promiscuous mode
[  724.551535] veth1-bond: entered allmulticast mode
[  724.551628] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  724.564170] veth2-bond: entered promiscuous mode
[  724.564297] veth2-bond: entered allmulticast mode
[  724.564410] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  724.614953] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  724.615087] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  724.615162] fbond: now running without any active interface!
[  724.623030] fab-br0: port 1(fbond) entered blocking state
[  724.623150] fab-br0: port 1(fbond) entered forwarding state
[  725.739559] fbond: left allmulticast mode
[  725.739622] veth1-bond: left allmulticast mode
[  725.739676] veth2-bond: left allmulticast mode
[  725.739729] fbond: left promiscuous mode
[  725.739770] veth1-bond: left promiscuous mode
[  725.739827] veth2-bond: left promiscuous mode
[  725.739888] fab-br0: port 1(fbond) entered disabled state
[  725.767928] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  725.768077] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  725.776084] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  725.776247] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  725.779995] fbond (unregistering): Released all slaves