[  518.864023] fab-br0: port 1(fbond) entered blocking state
[  518.864082] fab-br0: port 1(fbond) entered disabled state
[  518.864129] fbond: entered allmulticast mode
[  518.864223] fbond: entered promiscuous mode
[  518.875274] veth1-bond: entered promiscuous mode
[  518.875329] veth1-bond: entered allmulticast mode
[  518.875383] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  518.886157] veth2-bond: entered promiscuous mode
[  518.886212] veth2-bond: entered allmulticast mode
[  518.886260] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  518.925508] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  518.925633] fab-br0: port 1(fbond) entered blocking state
[  518.925686] fab-br0: port 1(fbond) entered forwarding state
[  519.028542] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  519.028678] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  519.028746] fbond: active interface up!
[  520.128767] fbond: left allmulticast mode
[  520.128817] veth1-bond: left allmulticast mode
[  520.128851] veth2-bond: left allmulticast mode
[  520.128885] fbond: left promiscuous mode
[  520.128909] veth1-bond: left promiscuous mode
[  520.128944] veth2-bond: left promiscuous mode
[  520.128993] fab-br0: port 1(fbond) entered disabled state
[  520.162417] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  520.162532] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  520.182747] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  520.182896] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  520.192619] fbond (unregistering): Released all slaves