[  837.307399] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.311168] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.314870] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.318536] br0: port 1(veth0) entered blocking state
[  837.318607] br0: port 1(veth0) entered disabled state
[  837.318675] veth0: entered allmulticast mode
[  837.318765] veth0: entered promiscuous mode
[  837.322439] br0: port 2(veth1) entered blocking state
[  837.322472] br0: port 2(veth1) entered disabled state
[  837.322508] veth1: entered allmulticast mode
[  837.322567] veth1: entered promiscuous mode
[  838.333869] br0: port 1(veth0) entered blocking state
[  838.333940] br0: port 1(veth0) entered forwarding state
[  838.333989] br0: port 2(veth1) entered blocking state
[  838.334047] br0: port 2(veth1) entered forwarding state
[  840.380842] bond0: (slave veth0): link status definitely up
[  840.380907] bond0: (slave veth1): link status definitely up
[  840.380973] bond0: (slave veth0): making interface the new active one
[  840.381030] bond0: active interface up!
[  840.451351] veth1: left allmulticast mode
[  840.451395] veth1: left promiscuous mode
[  840.451429] br0: port 2(veth1) entered disabled state
[  840.451499] veth0: left allmulticast mode
[  840.451526] veth0: left promiscuous mode
[  840.451547] br0: port 1(veth0) entered disabled state
[  840.461989] bond0: (slave veth1): Releasing backup interface
[  840.467942] bond0: (slave veth0): Releasing backup interface
[  840.496867] bond0 (unregistering): Released all slaves