[  748.203192] fab-br0: port 1(fbond) entered blocking state
[  748.203288] fab-br0: port 1(fbond) entered disabled state
[  748.203402] fbond: entered allmulticast mode
[  748.203505] fbond: entered promiscuous mode
[  748.218726] veth1-bond: entered promiscuous mode
[  748.218794] veth1-bond: entered allmulticast mode
[  748.218873] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  748.231681] veth2-bond: entered promiscuous mode
[  748.231798] veth2-bond: entered allmulticast mode
[  748.231874] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  748.251873] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  748.262620] fab-br0: port 1(fbond) entered blocking state
[  748.262716] fab-br0: port 1(fbond) entered forwarding state
[  748.355880] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  748.356053] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  748.356143] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  748.356218] fbond: active interface up!
[  749.530299] fbond: left allmulticast mode
[  749.530386] veth1-bond: left allmulticast mode
[  749.530461] veth2-bond: left allmulticast mode
[  749.530524] fbond: left promiscuous mode
[  749.530568] veth1-bond: left promiscuous mode
[  749.530644] veth2-bond: left promiscuous mode
[  749.530732] fab-br0: port 1(fbond) entered disabled state
[  749.567380] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  749.567528] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  749.574995] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  749.575142] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  749.578932] fbond (unregistering): Released all slaves