[  521.451211] fab-br0: port 1(fbond) entered blocking state
[  521.451276] fab-br0: port 1(fbond) entered disabled state
[  521.451332] fbond: entered allmulticast mode
[  521.451417] fbond: entered promiscuous mode
[  521.464184] veth1-bond: entered promiscuous mode
[  521.464243] veth1-bond: entered allmulticast mode
[  521.464308] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.474506] veth2-bond: entered promiscuous mode
[  521.474554] veth2-bond: entered allmulticast mode
[  521.474593] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.510443] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.510550] fab-br0: port 1(fbond) entered blocking state
[  521.510583] fab-br0: port 1(fbond) entered forwarding state
[  521.614448] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.615463] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.615521] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.615565] fbond: active interface up!
[  523.014703] fbond: left allmulticast mode
[  523.014760] veth1-bond: left allmulticast mode
[  523.014798] veth2-bond: left allmulticast mode
[  523.014838] fbond: left promiscuous mode
[  523.014867] veth1-bond: left promiscuous mode
[  523.014912] veth2-bond: left promiscuous mode
[  523.014970] fab-br0: port 1(fbond) entered disabled state
[  523.063784] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.063885] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.073566] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.073681] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.081515] fbond (unregistering): Released all slaves