[  537.728894] fab-br0: port 1(fbond) entered blocking state
[  537.728972] fab-br0: port 1(fbond) entered disabled state
[  537.729023] fbond: entered allmulticast mode
[  537.729116] fbond: entered promiscuous mode
[  537.741504] veth1-bond: entered promiscuous mode
[  537.741586] veth1-bond: entered allmulticast mode
[  537.741653] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  537.751180] veth2-bond: entered promiscuous mode
[  537.751244] veth2-bond: entered allmulticast mode
[  537.751301] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  537.786108] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  537.786256] fab-br0: port 1(fbond) entered blocking state
[  537.786301] fab-br0: port 1(fbond) entered forwarding state
[  537.890123] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  537.890293] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  537.890364] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  537.890424] fbond: active interface up!
[  539.362045] fbond: left allmulticast mode
[  539.362095] veth1-bond: left allmulticast mode
[  539.362147] veth2-bond: left allmulticast mode
[  539.362194] fbond: left promiscuous mode
[  539.362221] veth1-bond: left promiscuous mode
[  539.362262] veth2-bond: left promiscuous mode
[  539.362312] fab-br0: port 1(fbond) entered disabled state
[  539.385995] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  539.386115] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  539.411217] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  539.411328] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  539.421162] fbond (unregistering): Released all slaves