[  521.997277] fab-br0: port 1(fbond) entered blocking state
[  521.997344] fab-br0: port 1(fbond) entered disabled state
[  521.997413] fbond: entered allmulticast mode
[  521.997506] fbond: entered promiscuous mode
[  522.012287] veth1-bond: entered promiscuous mode
[  522.012368] veth1-bond: entered allmulticast mode
[  522.012468] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  522.022869] veth2-bond: entered promiscuous mode
[  522.022942] veth2-bond: entered allmulticast mode
[  522.023009] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  522.045186] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  522.058251] fab-br0: port 1(fbond) entered blocking state
[  522.058320] fab-br0: port 1(fbond) entered forwarding state
[  522.149217] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  522.149333] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  522.149423] fbond: active interface up!
[  523.226718] fbond: left allmulticast mode
[  523.226776] veth1-bond: left allmulticast mode
[  523.226818] veth2-bond: left allmulticast mode
[  523.226864] fbond: left promiscuous mode
[  523.226895] veth1-bond: left promiscuous mode
[  523.226947] veth2-bond: left promiscuous mode
[  523.227007] fab-br0: port 1(fbond) entered disabled state
[  523.256558] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.256718] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.272421] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.272635] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.279333] fbond (unregistering): Released all slaves