[  520.975727] fab-br0: port 1(fbond) entered blocking state
[  520.975782] fab-br0: port 1(fbond) entered disabled state
[  520.975839] fbond: entered allmulticast mode
[  520.975934] fbond: entered promiscuous mode
[  520.987535] veth1-bond: entered promiscuous mode
[  520.987586] veth1-bond: entered allmulticast mode
[  520.987656] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  520.997870] veth2-bond: entered promiscuous mode
[  520.997917] veth2-bond: entered allmulticast mode
[  520.997956] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.032442] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.032576] fab-br0: port 1(fbond) entered blocking state
[  521.032610] fab-br0: port 1(fbond) entered forwarding state
[  521.129461] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.129576] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.129623] fbond: active interface up!
[  522.273141] fbond: left allmulticast mode
[  522.273194] veth1-bond: left allmulticast mode
[  522.273236] veth2-bond: left allmulticast mode
[  522.273267] fbond: left promiscuous mode
[  522.273293] veth1-bond: left promiscuous mode
[  522.273333] veth2-bond: left promiscuous mode
[  522.273383] fab-br0: port 1(fbond) entered disabled state
[  522.305034] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.305107] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.320610] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.320740] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.330590] fbond (unregistering): Released all slaves