[  520.981499] fab-br0: port 1(fbond) entered blocking state
[  520.981589] fab-br0: port 1(fbond) entered disabled state
[  520.981650] fbond: entered allmulticast mode
[  520.981733] fbond: entered promiscuous mode
[  520.997609] veth1-bond: entered promiscuous mode
[  520.997667] veth1-bond: entered allmulticast mode
[  520.997718] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.012321] veth2-bond: entered promiscuous mode
[  521.012392] veth2-bond: entered allmulticast mode
[  521.012453] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.128538] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.128670] fab-br0: port 1(fbond) entered blocking state
[  521.128707] fab-br0: port 1(fbond) entered forwarding state
[  521.128809] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.128882] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.128947] fbond: active interface up!
[  522.557146] fbond: left allmulticast mode
[  522.557198] veth1-bond: left allmulticast mode
[  522.557238] veth2-bond: left allmulticast mode
[  522.557295] fbond: left promiscuous mode
[  522.557327] veth1-bond: left promiscuous mode
[  522.557372] veth2-bond: left promiscuous mode
[  522.557426] fab-br0: port 1(fbond) entered disabled state
[  522.605780] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.605868] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.612701] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.612778] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.618619] fbond (unregistering): Released all slaves