[  550.494215] fab-br0: port 1(fbond) entered blocking state
[  550.494288] fab-br0: port 1(fbond) entered disabled state
[  550.494440] fbond: entered allmulticast mode
[  550.494540] fbond: entered promiscuous mode
[  550.511727] veth1-bond: entered promiscuous mode
[  550.511804] veth1-bond: entered allmulticast mode
[  550.511866] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  550.529186] veth2-bond: entered promiscuous mode
[  550.529261] veth2-bond: entered allmulticast mode
[  550.529317] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  550.638571] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  550.638732] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  550.638820] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  550.638904] fbond: active interface up!
[  550.638990] fab-br0: port 1(fbond) entered blocking state
[  550.639049] fab-br0: port 1(fbond) entered forwarding state
[  552.038397] fbond: left allmulticast mode
[  552.038468] veth1-bond: left allmulticast mode
[  552.038522] veth2-bond: left allmulticast mode
[  552.038581] fbond: left promiscuous mode
[  552.038629] veth1-bond: left promiscuous mode
[  552.038687] veth2-bond: left promiscuous mode
[  552.038753] fab-br0: port 1(fbond) entered disabled state
[  552.069960] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  552.070074] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  552.076744] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  552.076894] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  552.085645] fbond (unregistering): Released all slaves