[  521.299098] fab-br0: port 1(fbond) entered blocking state
[  521.299177] fab-br0: port 1(fbond) entered disabled state
[  521.299265] fbond: entered allmulticast mode
[  521.299390] fbond: entered promiscuous mode
[  521.318457] veth1-bond: entered promiscuous mode
[  521.318531] veth1-bond: entered allmulticast mode
[  521.318610] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.336841] veth2-bond: entered promiscuous mode
[  521.336917] veth2-bond: entered allmulticast mode
[  521.336980] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.433645] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.433811] fab-br0: port 1(fbond) entered blocking state
[  521.433865] fab-br0: port 1(fbond) entered forwarding state
[  521.435672] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.435773] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.435849] fbond: active interface up!
[  522.911263] fbond: left allmulticast mode
[  522.911317] veth1-bond: left allmulticast mode
[  522.911358] veth2-bond: left allmulticast mode
[  522.911397] fbond: left promiscuous mode
[  522.911430] veth1-bond: left promiscuous mode
[  522.911476] veth2-bond: left promiscuous mode
[  522.911528] fab-br0: port 1(fbond) entered disabled state
[  522.946322] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.946421] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.966840] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.966955] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.979717] fbond (unregistering): Released all slaves