[  518.451790] fab-br0: port 1(fbond) entered blocking state
[  518.451854] fab-br0: port 1(fbond) entered disabled state
[  518.451922] fbond: entered allmulticast mode
[  518.452041] fbond: entered promiscuous mode
[  518.462781] veth1-bond: entered promiscuous mode
[  518.462843] veth1-bond: entered allmulticast mode
[  518.462909] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  518.473369] veth2-bond: entered promiscuous mode
[  518.473462] veth2-bond: entered allmulticast mode
[  518.473529] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  518.509129] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  518.509299] fab-br0: port 1(fbond) entered blocking state
[  518.509340] fab-br0: port 1(fbond) entered forwarding state
[  518.613150] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  518.613394] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  518.613474] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  518.613533] fbond: active interface up!
[  520.103848] fbond: left allmulticast mode
[  520.103962] veth1-bond: left allmulticast mode
[  520.104033] veth2-bond: left allmulticast mode
[  520.104106] fbond: left promiscuous mode
[  520.104158] veth1-bond: left promiscuous mode
[  520.104238] veth2-bond: left promiscuous mode
[  520.104315] fab-br0: port 1(fbond) entered disabled state
[  520.137067] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  520.137184] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  520.157330] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  520.157488] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  520.174258] fbond (unregistering): Released all slaves