[  550.392856] fab-br0: port 1(fbond) entered blocking state
[  550.392932] fab-br0: port 1(fbond) entered disabled state
[  550.392985] fbond: entered allmulticast mode
[  550.393082] fbond: entered promiscuous mode
[  550.408540] veth1-bond: entered promiscuous mode
[  550.408600] veth1-bond: entered allmulticast mode
[  550.408672] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  550.421032] veth2-bond: entered promiscuous mode
[  550.421086] veth2-bond: entered allmulticast mode
[  550.421133] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  550.443452] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  550.464193] fab-br0: port 1(fbond) entered blocking state
[  550.464273] fab-br0: port 1(fbond) entered forwarding state
[  550.539473] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  550.539575] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  550.539625] fbond: active interface up!
[  551.701432] fbond: left allmulticast mode
[  551.701496] veth1-bond: left allmulticast mode
[  551.701536] veth2-bond: left allmulticast mode
[  551.701578] fbond: left promiscuous mode
[  551.701610] veth1-bond: left promiscuous mode
[  551.701655] veth2-bond: left promiscuous mode
[  551.701707] fab-br0: port 1(fbond) entered disabled state
[  551.737126] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  551.737210] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  551.747586] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  551.747685] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  551.753479] fbond (unregistering): Released all slaves