[  521.777420] fab-br0: port 1(fbond) entered blocking state
[  521.777502] fab-br0: port 1(fbond) entered disabled state
[  521.777567] fbond: entered allmulticast mode
[  521.777683] fbond: entered promiscuous mode
[  521.789692] veth1-bond: entered promiscuous mode
[  521.789766] veth1-bond: entered allmulticast mode
[  521.789847] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.803978] veth2-bond: entered promiscuous mode
[  521.804057] veth2-bond: entered allmulticast mode
[  521.804121] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.831455] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.838020] fab-br0: port 1(fbond) entered blocking state
[  521.838074] fab-br0: port 1(fbond) entered forwarding state
[  521.936451] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.936587] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.936653] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.936708] fbond: active interface up!
[  523.350387] fbond: left allmulticast mode
[  523.350462] veth1-bond: left allmulticast mode
[  523.350512] veth2-bond: left allmulticast mode
[  523.350560] fbond: left promiscuous mode
[  523.350599] veth1-bond: left promiscuous mode
[  523.350654] veth2-bond: left promiscuous mode
[  523.350717] fab-br0: port 1(fbond) entered disabled state
[  523.388169] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.388286] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.405656] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.405804] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.415610] fbond (unregistering): Released all slaves