[  518.713335] fab-br0: port 1(fbond) entered blocking state
[  518.713457] fab-br0: port 1(fbond) entered disabled state
[  518.713545] fbond: entered allmulticast mode
[  518.713781] fbond: entered promiscuous mode
[  518.730218] veth1-bond: entered promiscuous mode
[  518.730283] veth1-bond: entered allmulticast mode
[  518.730363] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  518.743406] veth2-bond: entered promiscuous mode
[  518.743471] veth2-bond: entered allmulticast mode
[  518.743535] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  518.765136] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  518.778323] fab-br0: port 1(fbond) entered blocking state
[  518.778410] fab-br0: port 1(fbond) entered forwarding state
[  518.861170] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  518.861258] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  518.861326] fbond: active interface up!
[  520.052515] fbond: left allmulticast mode
[  520.052639] veth1-bond: left allmulticast mode
[  520.052715] veth2-bond: left allmulticast mode
[  520.052793] fbond: left promiscuous mode
[  520.052856] veth1-bond: left promiscuous mode
[  520.052940] veth2-bond: left promiscuous mode
[  520.053025] fab-br0: port 1(fbond) entered disabled state
[  520.101178] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  520.101282] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  520.117277] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  520.117435] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  520.127204] fbond (unregistering): Released all slaves