[  537.522925] fab-br0: port 1(fbond) entered blocking state
[  537.522979] fab-br0: port 1(fbond) entered disabled state
[  537.523023] fbond: entered allmulticast mode
[  537.523100] fbond: entered promiscuous mode
[  537.533119] veth1-bond: entered promiscuous mode
[  537.533189] veth1-bond: entered allmulticast mode
[  537.533252] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  537.541466] veth2-bond: entered promiscuous mode
[  537.541512] veth2-bond: entered allmulticast mode
[  537.541559] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  537.591799] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  537.591924] fab-br0: port 1(fbond) entered blocking state
[  537.591966] fab-br0: port 1(fbond) entered forwarding state
[  537.687910] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  537.688068] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  537.688133] fbond: active interface up!
[  538.854452] fbond: left allmulticast mode
[  538.854523] veth1-bond: left allmulticast mode
[  538.854569] veth2-bond: left allmulticast mode
[  538.854617] fbond: left promiscuous mode
[  538.854658] veth1-bond: left promiscuous mode
[  538.854713] veth2-bond: left promiscuous mode
[  538.854769] fab-br0: port 1(fbond) entered disabled state
[  538.891048] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  538.891131] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  538.897857] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  538.897930] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  538.906801] fbond (unregistering): Released all slaves