[  521.720067] fab-br0: port 1(fbond) entered blocking state
[  521.720138] fab-br0: port 1(fbond) entered disabled state
[  521.720206] fbond: entered allmulticast mode
[  521.720327] fbond: entered promiscuous mode
[  521.736463] veth1-bond: entered promiscuous mode
[  521.736523] veth1-bond: entered allmulticast mode
[  521.736585] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.754617] veth2-bond: entered promiscuous mode
[  521.754688] veth2-bond: entered allmulticast mode
[  521.754748] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.855919] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.856074] fab-br0: port 1(fbond) entered blocking state
[  521.856116] fab-br0: port 1(fbond) entered forwarding state
[  521.857917] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.858014] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.858069] fbond: active interface up!
[  523.236101] fbond: left allmulticast mode
[  523.236162] veth1-bond: left allmulticast mode
[  523.236206] veth2-bond: left allmulticast mode
[  523.236252] fbond: left promiscuous mode
[  523.236288] veth1-bond: left promiscuous mode
[  523.236345] veth2-bond: left promiscuous mode
[  523.236415] fab-br0: port 1(fbond) entered disabled state
[  523.276610] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.276710] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.285049] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.285168] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.292980] fbond (unregistering): Released all slaves