[  837.623387] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.627246] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.631191] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.634868] br0: port 1(veth0) entered blocking state
[  837.634902] br0: port 1(veth0) entered disabled state
[  837.634934] veth0: entered allmulticast mode
[  837.634996] veth0: entered promiscuous mode
[  837.638811] br0: port 2(veth1) entered blocking state
[  837.638844] br0: port 2(veth1) entered disabled state
[  837.638878] veth1: entered allmulticast mode
[  837.638943] veth1: entered promiscuous mode
[  837.680598] br0: port 1(veth0) entered blocking state
[  837.680650] br0: port 1(veth0) entered forwarding state
[  837.680695] br0: port 2(veth1) entered blocking state
[  837.680726] br0: port 2(veth1) entered forwarding state
[  839.694589] bond0: (slave veth1): link status definitely up
[  839.694681] bond0: (slave veth1): making interface the new active one
[  839.694736] bond0: active interface up!
[  839.805914] veth1: left allmulticast mode
[  839.805948] veth1: left promiscuous mode
[  839.805980] br0: port 2(veth1) entered disabled state
[  839.806063] veth0: left allmulticast mode
[  839.806083] veth0: left promiscuous mode
[  839.806106] br0: port 1(veth0) entered disabled state
[  839.809769] bond0: (slave veth1): Releasing backup interface
[  839.813513] bond0: (slave veth0): Releasing backup interface
[  839.836628] bond0 (unregistering): Released all slaves