[  834.610634][ T9387] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  834.702041][ T9388] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  834.770347][ T9389] br0: port 1(veth0) entered blocking state
[  834.770730][ T9389] br0: port 1(veth0) entered disabled state
[  834.770978][ T9389] veth0: entered allmulticast mode
[  834.772150][ T9389] veth0: entered promiscuous mode
[  834.870270][ T9390] br0: port 2(veth1) entered blocking state
[  834.871407][ T9390] br0: port 2(veth1) entered disabled state
[  834.871645][ T9390] veth1: entered allmulticast mode
[  834.872834][ T9390] veth1: entered promiscuous mode
[  835.359005][   T38] br0: port 1(veth0) entered blocking state
[  835.359270][   T38] br0: port 1(veth0) entered forwarding state
[  835.360578][   T38] br0: port 2(veth1) entered blocking state
[  835.360779][   T38] br0: port 2(veth1) entered forwarding state
[  836.567146][ T1561] bond0: (slave veth1): link status definitely up
[  836.567764][ T1561] bond0: (slave veth1): making interface the new active one
[  836.569314][ T1561] bond0: active interface up!
[  836.909834][ T8747] veth1: left allmulticast mode
[  836.910076][ T8747] veth1: left promiscuous mode
[  836.910414][ T8747] br0: port 2(veth1) entered disabled state
[  836.912572][ T8747] veth0: left allmulticast mode
[  836.912775][ T8747] veth0: left promiscuous mode
[  836.913055][ T8747] br0: port 1(veth0) entered disabled state
[  837.142032][ T8747] bond0: (slave veth1): Releasing backup interface
[  837.340876][ T8747] bond0: (slave veth0): Releasing backup interface
[  837.732275][ T8747] bond0 (unregistering): Released all slaves