[  518.838244] fab-br0: port 1(fbond) entered blocking state
[  518.838343] fab-br0: port 1(fbond) entered disabled state
[  518.838419] fbond: entered allmulticast mode
[  518.838514] fbond: entered promiscuous mode
[  518.849714] veth1-bond: entered promiscuous mode
[  518.849789] veth1-bond: entered allmulticast mode
[  518.850099] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  518.863509] veth2-bond: entered promiscuous mode
[  518.863600] veth2-bond: entered allmulticast mode
[  518.863662] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  518.895007] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  518.895166] fab-br0: port 1(fbond) entered blocking state
[  518.895209] fab-br0: port 1(fbond) entered forwarding state
[  518.991036] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  518.991167] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  518.991253] fbond: active interface up!
[  520.162402] fbond: left allmulticast mode
[  520.162469] veth1-bond: left allmulticast mode
[  520.162519] veth2-bond: left allmulticast mode
[  520.162580] fbond: left promiscuous mode
[  520.162622] veth1-bond: left promiscuous mode
[  520.162682] veth2-bond: left promiscuous mode
[  520.162748] fab-br0: port 1(fbond) entered disabled state
[  520.222306] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  520.222438] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  520.244185] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  520.244341] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  520.254104] fbond (unregistering): Released all slaves