[  720.009666] fab-br0: port 1(fbond) entered blocking state
[  720.009732] fab-br0: port 1(fbond) entered disabled state
[  720.009814] fbond: entered allmulticast mode
[  720.009964] fbond: entered promiscuous mode
[  720.110008] veth1-bond: entered promiscuous mode
[  720.110078] veth1-bond: entered allmulticast mode
[  720.110157] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  720.120845] veth2-bond: entered promiscuous mode
[  720.120921] veth2-bond: entered allmulticast mode
[  720.120975] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  720.167668] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  720.167782] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  720.167847] fbond: now running without any active interface!
[  720.175711] fab-br0: port 1(fbond) entered blocking state
[  720.175768] fab-br0: port 1(fbond) entered forwarding state
[  721.285284] fbond: left allmulticast mode
[  721.285366] veth1-bond: left allmulticast mode
[  721.285429] veth2-bond: left allmulticast mode
[  721.285476] fbond: left promiscuous mode
[  721.285510] veth1-bond: left promiscuous mode
[  721.285564] veth2-bond: left promiscuous mode
[  721.285632] fab-br0: port 1(fbond) entered disabled state
[  721.314769] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  721.314913] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  721.321830] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  721.322044] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  721.329745] fbond (unregistering): Released all slaves