[   37.337553][  T502] bond0: (slave veth0): Enslaving as a backup interface with a down link
[   37.425342][  T503] bond0: (slave veth1): Enslaving as a backup interface with a down link
[   37.519764][  T504] br0: port 1(veth0) entered blocking state
[   37.520112][  T504] br0: port 1(veth0) entered disabled state
[   37.520389][  T504] veth0: entered allmulticast mode
[   37.521655][  T504] veth0: entered promiscuous mode
[   37.615239][  T505] br0: port 2(veth1) entered blocking state
[   37.615538][  T505] br0: port 2(veth1) entered disabled state
[   37.615806][  T505] veth1: entered allmulticast mode
[   37.617047][  T505] veth1: entered promiscuous mode
[   38.093715][   T39] br0: port 1(veth0) entered blocking state
[   38.094255][   T39] br0: port 1(veth0) entered forwarding state
[   38.095899][   T39] br0: port 2(veth1) entered blocking state
[   38.096186][   T39] br0: port 2(veth1) entered forwarding state
[   39.301882][  T253] bond0: (slave veth1): link status definitely up
[   39.302373][  T253] bond0: (slave veth1): making interface the new active one
[   39.303984][  T253] bond0: active interface up!
[   39.722070][  T253] veth1: left allmulticast mode
[   39.722389][  T253] veth1: left promiscuous mode
[   39.722870][  T253] br0: port 2(veth1) entered disabled state
[   39.725991][  T253] veth0: left allmulticast mode
[   39.726249][  T253] veth0: left promiscuous mode
[   39.726584][  T253] br0: port 1(veth0) entered disabled state
[   39.897916][  T253] bond0: (slave veth1): Releasing backup interface
[   40.083910][  T253] bond0: (slave veth0): Releasing backup interface
[   40.480199][  T253] bond0 (unregistering): Released all slaves