[  521.528712] fab-br0: port 1(fbond) entered blocking state
[  521.528821] fab-br0: port 1(fbond) entered disabled state
[  521.528916] fbond: entered allmulticast mode
[  521.529055] fbond: entered promiscuous mode
[  521.541314] veth1-bond: entered promiscuous mode
[  521.541417] veth1-bond: entered allmulticast mode
[  521.541499] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.554303] veth2-bond: entered promiscuous mode
[  521.554381] veth2-bond: entered allmulticast mode
[  521.554444] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.578026] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.588292] fab-br0: port 1(fbond) entered blocking state
[  521.588367] fab-br0: port 1(fbond) entered forwarding state
[  521.682026] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.682145] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.682221] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.682282] fbond: active interface up!
[  523.117266] fbond: left allmulticast mode
[  523.117320] veth1-bond: left allmulticast mode
[  523.117364] veth2-bond: left allmulticast mode
[  523.117401] fbond: left promiscuous mode
[  523.117429] veth1-bond: left promiscuous mode
[  523.117470] veth2-bond: left promiscuous mode
[  523.117524] fab-br0: port 1(fbond) entered disabled state
[  523.144593] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.144707] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.161229] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.161350] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.178132] fbond (unregistering): Released all slaves