[  519.369418] fab-br0: port 1(fbond) entered blocking state
[  519.369516] fab-br0: port 1(fbond) entered disabled state
[  519.369602] fbond: entered allmulticast mode
[  519.369748] fbond: entered promiscuous mode
[  519.383390] veth1-bond: entered promiscuous mode
[  519.383466] veth1-bond: entered allmulticast mode
[  519.383547] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  519.395782] veth2-bond: entered promiscuous mode
[  519.395854] veth2-bond: entered allmulticast mode
[  519.395921] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  519.422946] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  519.425346] fab-br0: port 1(fbond) entered blocking state
[  519.425416] fab-br0: port 1(fbond) entered forwarding state
[  519.526957] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  519.527122] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  519.527215] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  519.527298] fbond: active interface up!
[  520.960388] fbond: left allmulticast mode
[  520.960453] veth1-bond: left allmulticast mode
[  520.960501] veth2-bond: left allmulticast mode
[  520.960564] fbond: left promiscuous mode
[  520.960610] veth1-bond: left promiscuous mode
[  520.960677] veth2-bond: left promiscuous mode
[  520.960758] fab-br0: port 1(fbond) entered disabled state
[  520.992284] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  520.992454] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  521.012209] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  521.012426] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  521.022081] fbond (unregistering): Released all slaves