[  520.261373] fab-br0: port 1(fbond) entered blocking state
[  520.261446] fab-br0: port 1(fbond) entered disabled state
[  520.261519] fbond: entered allmulticast mode
[  520.261600] fbond: entered promiscuous mode
[  520.276151] veth1-bond: entered promiscuous mode
[  520.276225] veth1-bond: entered allmulticast mode
[  520.276297] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  520.292617] veth2-bond: entered promiscuous mode
[  520.292692] veth2-bond: entered allmulticast mode
[  520.292759] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  520.410517] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  520.410687] fab-br0: port 1(fbond) entered blocking state
[  520.410751] fab-br0: port 1(fbond) entered forwarding state
[  520.410871] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  520.410957] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  520.411036] fbond: active interface up!
[  521.881689] fbond: left allmulticast mode
[  521.881741] veth1-bond: left allmulticast mode
[  521.881777] veth2-bond: left allmulticast mode
[  521.881817] fbond: left promiscuous mode
[  521.881846] veth1-bond: left promiscuous mode
[  521.881884] veth2-bond: left promiscuous mode
[  521.881940] fab-br0: port 1(fbond) entered disabled state
[  521.932390] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  521.932483] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  521.942670] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  521.942768] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  521.948572] fbond (unregistering): Released all slaves