[  537.359774] fab-br0: port 1(fbond) entered blocking state
[  537.359846] fab-br0: port 1(fbond) entered disabled state
[  537.359915] fbond: entered allmulticast mode
[  537.360037] fbond: entered promiscuous mode
[  537.376977] veth1-bond: entered promiscuous mode
[  537.377052] veth1-bond: entered allmulticast mode
[  537.377123] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  537.392571] veth2-bond: entered promiscuous mode
[  537.392636] veth2-bond: entered allmulticast mode
[  537.392693] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  537.501031] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  537.501117] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  537.501208] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  537.501289] fbond: active interface up!
[  537.501358] fab-br0: port 1(fbond) entered blocking state
[  537.501401] fab-br0: port 1(fbond) entered forwarding state
[  538.696405] fbond: left allmulticast mode
[  538.696478] veth1-bond: left allmulticast mode
[  538.696534] veth2-bond: left allmulticast mode
[  538.696588] fbond: left promiscuous mode
[  538.696626] veth1-bond: left promiscuous mode
[  538.696697] veth2-bond: left promiscuous mode
[  538.696767] fab-br0: port 1(fbond) entered disabled state
[  538.727952] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  538.728062] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  538.750222] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  538.750332] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  538.760176] fbond (unregistering): Released all slaves