[  521.707927] fab-br0: port 1(fbond) entered blocking state
[  521.708023] fab-br0: port 1(fbond) entered disabled state
[  521.708105] fbond: entered allmulticast mode
[  521.708295] fbond: entered promiscuous mode
[  521.723024] veth1-bond: entered promiscuous mode
[  521.723108] veth1-bond: entered allmulticast mode
[  521.723187] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.734922] veth2-bond: entered promiscuous mode
[  521.735011] veth2-bond: entered allmulticast mode
[  521.735082] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.756024] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.767831] fab-br0: port 1(fbond) entered blocking state
[  521.767895] fab-br0: port 1(fbond) entered forwarding state
[  521.860057] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.860193] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.860259] fbond: active interface up!
[  522.926092] fbond: left allmulticast mode
[  522.926150] veth1-bond: left allmulticast mode
[  522.926197] veth2-bond: left allmulticast mode
[  522.926253] fbond: left promiscuous mode
[  522.926290] veth1-bond: left promiscuous mode
[  522.926345] veth2-bond: left promiscuous mode
[  522.926412] fab-br0: port 1(fbond) entered disabled state
[  522.954478] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.954593] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.961163] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.961257] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.967110] fbond (unregistering): Released all slaves