[  518.907128] fab-br0: port 1(fbond) entered blocking state
[  518.907201] fab-br0: port 1(fbond) entered disabled state
[  518.907277] fbond: entered allmulticast mode
[  518.907385] fbond: entered promiscuous mode
[  518.920387] veth1-bond: entered promiscuous mode
[  518.920448] veth1-bond: entered allmulticast mode
[  518.920503] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  518.930496] veth2-bond: entered promiscuous mode
[  518.930581] veth2-bond: entered allmulticast mode
[  518.930644] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  518.968191] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  518.968362] fab-br0: port 1(fbond) entered blocking state
[  518.968427] fab-br0: port 1(fbond) entered forwarding state
[  519.063248] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  519.063350] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  519.063435] fbond: active interface up!
[  520.178070] fbond: left allmulticast mode
[  520.178154] veth1-bond: left allmulticast mode
[  520.178221] veth2-bond: left allmulticast mode
[  520.178287] fbond: left promiscuous mode
[  520.178336] veth1-bond: left promiscuous mode
[  520.178419] veth2-bond: left promiscuous mode
[  520.178494] fab-br0: port 1(fbond) entered disabled state
[  520.212777] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  520.212881] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  520.226315] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  520.226445] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  520.242273] fbond (unregistering): Released all slaves