[  550.326481] fab-br0: port 1(fbond) entered blocking state
[  550.326549] fab-br0: port 1(fbond) entered disabled state
[  550.326606] fbond: entered allmulticast mode
[  550.326686] fbond: entered promiscuous mode
[  550.343375] veth1-bond: entered promiscuous mode
[  550.343443] veth1-bond: entered allmulticast mode
[  550.343521] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  550.358332] veth2-bond: entered promiscuous mode
[  550.358387] veth2-bond: entered allmulticast mode
[  550.358443] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  550.374472] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  550.403675] fab-br0: port 1(fbond) entered blocking state
[  550.403743] fab-br0: port 1(fbond) entered forwarding state
[  550.478476] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  550.478631] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  550.478718] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  550.478794] fbond: active interface up!
[  552.016331] fbond: left allmulticast mode
[  552.016379] veth1-bond: left allmulticast mode
[  552.016415] veth2-bond: left allmulticast mode
[  552.016451] fbond: left promiscuous mode
[  552.016486] veth1-bond: left promiscuous mode
[  552.016529] veth2-bond: left promiscuous mode
[  552.016577] fab-br0: port 1(fbond) entered disabled state
[  552.051754] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  552.051843] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  552.060637] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  552.060768] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  552.066510] fbond (unregistering): Released all slaves