[  521.960455] fab-br0: port 1(fbond) entered blocking state
[  521.960561] fab-br0: port 1(fbond) entered disabled state
[  521.960673] fbond: entered allmulticast mode
[  521.960796] fbond: entered promiscuous mode
[  521.975567] veth1-bond: entered promiscuous mode
[  521.975702] veth1-bond: entered allmulticast mode
[  521.975795] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.989790] veth2-bond: entered promiscuous mode
[  521.989877] veth2-bond: entered allmulticast mode
[  521.989949] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  522.012145] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  522.021124] fab-br0: port 1(fbond) entered blocking state
[  522.021213] fab-br0: port 1(fbond) entered forwarding state
[  522.108192] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  522.108312] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  522.108400] fbond: active interface up!
[  523.185637] fbond: left allmulticast mode
[  523.185700] veth1-bond: left allmulticast mode
[  523.185779] veth2-bond: left allmulticast mode
[  523.185833] fbond: left promiscuous mode
[  523.185871] veth1-bond: left promiscuous mode
[  523.185926] veth2-bond: left promiscuous mode
[  523.185995] fab-br0: port 1(fbond) entered disabled state
[  523.221515] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.221671] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.239371] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.239518] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.249301] fbond (unregistering): Released all slaves