[  839.258940][ T9395] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  839.352973][ T9396] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  839.439481][ T9397] br0: port 1(veth0) entered blocking state
[  839.439735][ T9397] br0: port 1(veth0) entered disabled state
[  839.439989][ T9397] veth0: entered allmulticast mode
[  839.441177][ T9397] veth0: entered promiscuous mode
[  839.523078][ T9398] br0: port 2(veth1) entered blocking state
[  839.523393][ T9398] br0: port 2(veth1) entered disabled state
[  839.523641][ T9398] veth1: entered allmulticast mode
[  839.524846][ T9398] veth1: entered promiscuous mode
[  840.104416][   T37] br0: port 1(veth0) entered blocking state
[  840.104796][   T37] br0: port 1(veth0) entered forwarding state
[  840.106351][   T37] br0: port 2(veth1) entered blocking state
[  840.106670][   T37] br0: port 2(veth1) entered forwarding state
[  841.223699][  T279] bond0: (slave veth1): link status definitely up
[  841.224098][  T279] bond0: (slave veth1): making interface the new active one
[  841.225247][  T279] bond0: active interface up!
[  841.612841][  T279] veth1: left allmulticast mode
[  841.613054][  T279] veth1: left promiscuous mode
[  841.613408][  T279] br0: port 2(veth1) entered disabled state
[  841.616116][  T279] veth0: left allmulticast mode
[  841.616327][  T279] veth0: left promiscuous mode
[  841.616614][  T279] br0: port 1(veth0) entered disabled state
[  841.763786][  T279] bond0: (slave veth1): Releasing backup interface
[  841.860670][  T279] bond0: (slave veth0): Releasing backup interface
[  842.237928][  T279] bond0 (unregistering): Released all slaves