[  551.149116] fab-br0: port 1(fbond) entered blocking state
[  551.149187] fab-br0: port 1(fbond) entered disabled state
[  551.149256] fbond: entered allmulticast mode
[  551.149368] fbond: entered promiscuous mode
[  551.164490] veth1-bond: entered promiscuous mode
[  551.164551] veth1-bond: entered allmulticast mode
[  551.164615] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  551.179283] veth2-bond: entered promiscuous mode
[  551.179335] veth2-bond: entered allmulticast mode
[  551.179379] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  551.293284] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  551.293422] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  551.293504] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  551.293583] fbond: active interface up!
[  551.295311] fab-br0: port 1(fbond) entered blocking state
[  551.295368] fab-br0: port 1(fbond) entered forwarding state
[  552.694673] fbond: left allmulticast mode
[  552.694740] veth1-bond: left allmulticast mode
[  552.694788] veth2-bond: left allmulticast mode
[  552.694833] fbond: left promiscuous mode
[  552.694864] veth1-bond: left promiscuous mode
[  552.694922] veth2-bond: left promiscuous mode
[  552.694978] fab-br0: port 1(fbond) entered disabled state
[  552.731054] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  552.731172] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  552.739490] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  552.739620] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  552.746359] fbond (unregistering): Released all slaves