[  749.258403] fab-br0: port 1(fbond) entered blocking state
[  749.258480] fab-br0: port 1(fbond) entered disabled state
[  749.258546] fbond: entered allmulticast mode
[  749.258651] fbond: entered promiscuous mode
[  749.272083] veth1-bond: entered promiscuous mode
[  749.272174] veth1-bond: entered allmulticast mode
[  749.272237] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  749.284316] veth2-bond: entered promiscuous mode
[  749.284419] veth2-bond: entered allmulticast mode
[  749.284500] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  749.311759] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  749.316334] fab-br0: port 1(fbond) entered blocking state
[  749.316413] fab-br0: port 1(fbond) entered forwarding state
[  749.407789] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  749.407911] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  749.407995] fbond: active interface up!
[  750.471495] fbond: left allmulticast mode
[  750.471599] veth1-bond: left allmulticast mode
[  750.471662] veth2-bond: left allmulticast mode
[  750.471743] fbond: left promiscuous mode
[  750.471796] veth1-bond: left promiscuous mode
[  750.471868] veth2-bond: left promiscuous mode
[  750.471950] fab-br0: port 1(fbond) entered disabled state
[  750.499778] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  750.499915] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  750.508888] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  750.509006] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  750.513812] fbond (unregistering): Released all slaves