[  521.788265] fab-br0: port 1(fbond) entered blocking state
[  521.788341] fab-br0: port 1(fbond) entered disabled state
[  521.788404] fbond: entered allmulticast mode
[  521.788482] fbond: entered promiscuous mode
[  521.802833] veth1-bond: entered promiscuous mode
[  521.802879] veth1-bond: entered allmulticast mode
[  521.802923] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.814869] veth2-bond: entered promiscuous mode
[  521.814919] veth2-bond: entered allmulticast mode
[  521.814963] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.847667] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.847770] fab-br0: port 1(fbond) entered blocking state
[  521.847806] fab-br0: port 1(fbond) entered forwarding state
[  521.943685] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.943789] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.943860] fbond: active interface up!
[  523.007270] fbond: left allmulticast mode
[  523.007312] veth1-bond: left allmulticast mode
[  523.007344] veth2-bond: left allmulticast mode
[  523.007377] fbond: left promiscuous mode
[  523.007400] veth1-bond: left promiscuous mode
[  523.007432] veth2-bond: left promiscuous mode
[  523.007474] fab-br0: port 1(fbond) entered disabled state
[  523.046011] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.046087] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.058792] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.058880] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.064767] fbond (unregistering): Released all slaves