[  551.863406] fab-br0: port 1(fbond) entered blocking state
[  551.863464] fab-br0: port 1(fbond) entered disabled state
[  551.863521] fbond: entered allmulticast mode
[  551.863596] fbond: entered promiscuous mode
[  551.878021] veth1-bond: entered promiscuous mode
[  551.878082] veth1-bond: entered allmulticast mode
[  551.878152] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  551.892108] veth2-bond: entered promiscuous mode
[  551.892161] veth2-bond: entered allmulticast mode
[  551.892209] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  551.908429] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  551.910398] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  551.910467] fbond: active interface up!
[  551.937527] fab-br0: port 1(fbond) entered blocking state
[  551.937579] fab-br0: port 1(fbond) entered forwarding state
[  552.117404] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  553.218289] fbond: left allmulticast mode
[  553.218340] veth1-bond: left allmulticast mode
[  553.218377] veth2-bond: left allmulticast mode
[  553.218412] fbond: left promiscuous mode
[  553.218435] veth1-bond: left promiscuous mode
[  553.218469] veth2-bond: left promiscuous mode
[  553.218515] fab-br0: port 1(fbond) entered disabled state
[  553.255259] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  553.255346] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  553.265485] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  553.265584] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  553.271419] fbond (unregistering): Released all slaves