[  556.156567] fab-br0: port 1(fbond) entered blocking state
[  556.156624] fab-br0: port 1(fbond) entered disabled state
[  556.156689] fbond: entered allmulticast mode
[  556.156790] fbond: entered promiscuous mode
[  556.171973] veth1-bond: entered promiscuous mode
[  556.172027] veth1-bond: entered allmulticast mode
[  556.172078] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  556.183733] veth2-bond: entered promiscuous mode
[  556.183789] veth2-bond: entered allmulticast mode
[  556.183839] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  556.202425] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  556.223877] fab-br0: port 1(fbond) entered blocking state
[  556.223951] fab-br0: port 1(fbond) entered forwarding state
[  556.305406] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  556.306432] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  556.306539] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  556.306604] fbond: active interface up!
[  557.799993] fbond: left allmulticast mode
[  557.800062] veth1-bond: left allmulticast mode
[  557.800106] veth2-bond: left allmulticast mode
[  557.800139] fbond: left promiscuous mode
[  557.800164] veth1-bond: left promiscuous mode
[  557.800201] veth2-bond: left promiscuous mode
[  557.800250] fab-br0: port 1(fbond) entered disabled state
[  557.847681] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  557.847790] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  557.855518] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  557.855627] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  557.861452] fbond (unregistering): Released all slaves