[  840.891046] 8021q: adding VLAN 0 to HW filter on device bond0
[  840.895328] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  840.899311] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  840.903413] br0: port 1(veth0) entered blocking state
[  840.903450] br0: port 1(veth0) entered disabled state
[  840.903488] veth0: entered allmulticast mode
[  840.903558] veth0: entered promiscuous mode
[  840.907533] br0: port 2(veth1) entered blocking state
[  840.907602] br0: port 2(veth1) entered disabled state
[  840.907674] veth1: entered allmulticast mode
[  840.907778] veth1: entered promiscuous mode
[  841.034448] br0: port 1(veth0) entered blocking state
[  841.034540] br0: port 1(veth0) entered forwarding state
[  841.034635] br0: port 2(veth1) entered blocking state
[  841.034702] br0: port 2(veth1) entered forwarding state
[  842.946410] bond0: (slave veth1): link status definitely up
[  842.946507] bond0: (slave veth1): making interface the new active one
[  842.946579] bond0: active interface up!
[  842.981566] veth1: left allmulticast mode
[  842.981604] veth1: left promiscuous mode
[  842.981638] br0: port 2(veth1) entered disabled state
[  842.981721] veth0: left allmulticast mode
[  842.981750] veth0: left promiscuous mode
[  842.981774] br0: port 1(veth0) entered disabled state
[  842.986575] bond0: (slave veth1): Releasing backup interface
[  842.990641] bond0: (slave veth0): Releasing backup interface
[  843.014453] bond0 (unregistering): Released all slaves