[  521.967953] fab-br0: port 1(fbond) entered blocking state
[  521.968033] fab-br0: port 1(fbond) entered disabled state
[  521.968113] fbond: entered allmulticast mode
[  521.968903] fbond: entered promiscuous mode
[  521.988276] veth1-bond: entered promiscuous mode
[  521.988346] veth1-bond: entered allmulticast mode
[  521.988414] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  522.005732] veth2-bond: entered promiscuous mode
[  522.005806] veth2-bond: entered allmulticast mode
[  522.005873] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  522.112724] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  522.112891] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  522.112986] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  522.113066] fbond: active interface up!
[  522.113156] fab-br0: port 1(fbond) entered blocking state
[  522.113218] fab-br0: port 1(fbond) entered forwarding state
[  523.534935] fbond: left allmulticast mode
[  523.535009] veth1-bond: left allmulticast mode
[  523.535064] veth2-bond: left allmulticast mode
[  523.535122] fbond: left promiscuous mode
[  523.535162] veth1-bond: left promiscuous mode
[  523.535218] veth2-bond: left promiscuous mode
[  523.535290] fab-br0: port 1(fbond) entered disabled state
[  523.574654] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.574796] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.591874] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.592054] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.601786] fbond (unregistering): Released all slaves