[  749.033134] fab-br0: port 1(fbond) entered blocking state
[  749.033200] fab-br0: port 1(fbond) entered disabled state
[  749.033264] fbond: entered allmulticast mode
[  749.033372] fbond: entered promiscuous mode
[  749.046334] veth1-bond: entered promiscuous mode
[  749.046417] veth1-bond: entered allmulticast mode
[  749.046499] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  749.057077] veth2-bond: entered promiscuous mode
[  749.057164] veth2-bond: entered allmulticast mode
[  749.057227] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  749.091293] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  749.091424] fab-br0: port 1(fbond) entered blocking state
[  749.091481] fab-br0: port 1(fbond) entered forwarding state
[  749.195307] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  749.195491] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  749.195562] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  749.195620] fbond: active interface up!
[  750.448860] fbond: left allmulticast mode
[  750.448950] veth1-bond: left allmulticast mode
[  750.449003] veth2-bond: left allmulticast mode
[  750.449059] fbond: left promiscuous mode
[  750.449107] veth1-bond: left promiscuous mode
[  750.449168] veth2-bond: left promiscuous mode
[  750.449232] fab-br0: port 1(fbond) entered disabled state
[  750.473833] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  750.473951] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  750.481395] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  750.481529] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  750.485335] fbond (unregistering): Released all slaves