[  834.077473][ T9505] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  834.176849][ T9506] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  834.259676][ T9507] br0: port 1(veth0) entered blocking state
[  834.259960][ T9507] br0: port 1(veth0) entered disabled state
[  834.260303][ T9507] veth0: entered allmulticast mode
[  834.262923][ T9507] veth0: entered promiscuous mode
[  834.382535][ T9508] br0: port 2(veth1) entered blocking state
[  834.382821][ T9508] br0: port 2(veth1) entered disabled state
[  834.383104][ T9508] veth1: entered allmulticast mode
[  834.384372][ T9508] veth1: entered promiscuous mode
[  834.794966][   T38] br0: port 1(veth0) entered blocking state
[  834.795259][   T38] br0: port 1(veth0) entered forwarding state
[  834.797008][   T38] br0: port 2(veth1) entered blocking state
[  834.797293][   T38] br0: port 2(veth1) entered forwarding state
[  836.051722][ T8728] bond0: (slave veth1): link status definitely up
[  836.052135][ T8728] bond0: (slave veth1): making interface the new active one
[  836.053456][ T8728] bond0: active interface up!
[  836.562741][  T260] veth1: left allmulticast mode
[  836.562974][  T260] veth1: left promiscuous mode
[  836.563311][  T260] br0: port 2(veth1) entered disabled state
[  836.565898][  T260] veth0: left allmulticast mode
[  836.566089][  T260] veth0: left promiscuous mode
[  836.566433][  T260] br0: port 1(veth0) entered disabled state
[  836.709823][  T260] bond0: (slave veth1): Releasing backup interface
[  836.845768][  T260] bond0: (slave veth0): Releasing backup interface
[  837.214297][  T260] bond0 (unregistering): Released all slaves