[  521.219579] fab-br0: port 1(fbond) entered blocking state
[  521.219647] fab-br0: port 1(fbond) entered disabled state
[  521.219704] fbond: entered allmulticast mode
[  521.219805] fbond: entered promiscuous mode
[  521.232644] veth1-bond: entered promiscuous mode
[  521.232707] veth1-bond: entered allmulticast mode
[  521.232778] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.242265] veth2-bond: entered promiscuous mode
[  521.242318] veth2-bond: entered allmulticast mode
[  521.242367] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.277157] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.277292] fab-br0: port 1(fbond) entered blocking state
[  521.277333] fab-br0: port 1(fbond) entered forwarding state
[  521.373218] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.373359] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.373472] fbond: active interface up!
[  522.518505] fbond: left allmulticast mode
[  522.518565] veth1-bond: left allmulticast mode
[  522.518614] veth2-bond: left allmulticast mode
[  522.518665] fbond: left promiscuous mode
[  522.518705] veth1-bond: left promiscuous mode
[  522.518763] veth2-bond: left promiscuous mode
[  522.518838] fab-br0: port 1(fbond) entered disabled state
[  522.568121] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.568310] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.591317] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.591509] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.601313] fbond (unregistering): Released all slaves