[  521.079465] fab-br0: port 1(fbond) entered blocking state
[  521.079537] fab-br0: port 1(fbond) entered disabled state
[  521.079616] fbond: entered allmulticast mode
[  521.079711] fbond: entered promiscuous mode
[  521.096147] veth1-bond: entered promiscuous mode
[  521.096227] veth1-bond: entered allmulticast mode
[  521.096302] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.105686] veth2-bond: entered promiscuous mode
[  521.105742] veth2-bond: entered allmulticast mode
[  521.105794] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.136940] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.137087] fab-br0: port 1(fbond) entered blocking state
[  521.137140] fab-br0: port 1(fbond) entered forwarding state
[  521.240957] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.241115] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.241192] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.241249] fbond: active interface up!
[  522.723917] fbond: left allmulticast mode
[  522.723968] veth1-bond: left allmulticast mode
[  522.724012] veth2-bond: left allmulticast mode
[  522.724052] fbond: left promiscuous mode
[  522.724081] veth1-bond: left promiscuous mode
[  522.724122] veth2-bond: left promiscuous mode
[  522.724173] fab-br0: port 1(fbond) entered disabled state
[  522.760450] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.760568] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.781089] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.781243] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.798028] fbond (unregistering): Released all slaves