[  520.553126] fab-br0: port 1(fbond) entered blocking state
[  520.553221] fab-br0: port 1(fbond) entered disabled state
[  520.553298] fbond: entered allmulticast mode
[  520.553422] fbond: entered promiscuous mode
[  520.569035] veth1-bond: entered promiscuous mode
[  520.569148] veth1-bond: entered allmulticast mode
[  520.569238] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  520.583641] veth2-bond: entered promiscuous mode
[  520.583726] veth2-bond: entered allmulticast mode
[  520.583804] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  520.606917] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  520.618627] fab-br0: port 1(fbond) entered blocking state
[  520.618701] fab-br0: port 1(fbond) entered forwarding state
[  520.701963] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  520.702100] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  520.702184] fbond: active interface up!
[  521.777545] fbond: left allmulticast mode
[  521.777627] veth1-bond: left allmulticast mode
[  521.777675] veth2-bond: left allmulticast mode
[  521.777734] fbond: left promiscuous mode
[  521.777772] veth1-bond: left promiscuous mode
[  521.777831] veth2-bond: left promiscuous mode
[  521.777902] fab-br0: port 1(fbond) entered disabled state
[  521.815796] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  521.815930] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  521.826191] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  521.826326] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  521.832040] fbond (unregistering): Released all slaves