[  521.124157] fab-br0: port 1(fbond) entered blocking state
[  521.124273] fab-br0: port 1(fbond) entered disabled state
[  521.124352] fbond: entered allmulticast mode
[  521.124451] fbond: entered promiscuous mode
[  521.135966] veth1-bond: entered promiscuous mode
[  521.136028] veth1-bond: entered allmulticast mode
[  521.136098] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.146058] veth2-bond: entered promiscuous mode
[  521.146129] veth2-bond: entered allmulticast mode
[  521.146187] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.183095] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.183238] fab-br0: port 1(fbond) entered blocking state
[  521.183280] fab-br0: port 1(fbond) entered forwarding state
[  521.287109] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.287275] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.287349] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.287408] fbond: active interface up!
[  522.665229] fbond: left allmulticast mode
[  522.665302] veth1-bond: left allmulticast mode
[  522.665362] veth2-bond: left allmulticast mode
[  522.665420] fbond: left promiscuous mode
[  522.665461] veth1-bond: left promiscuous mode
[  522.665525] veth2-bond: left promiscuous mode
[  522.665599] fab-br0: port 1(fbond) entered disabled state
[  522.697260] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.697368] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.720227] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.720351] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.730177] fbond (unregistering): Released all slaves