[  834.953304][ T9459] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  835.042023][ T9460] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  835.136088][ T9461] br0: port 1(veth0) entered blocking state
[  835.136379][ T9461] br0: port 1(veth0) entered disabled state
[  835.136624][ T9461] veth0: entered allmulticast mode
[  835.137845][ T9461] veth0: entered promiscuous mode
[  835.225661][ T9462] br0: port 2(veth1) entered blocking state
[  835.225935][ T9462] br0: port 2(veth1) entered disabled state
[  835.226192][ T9462] veth1: entered allmulticast mode
[  835.227435][ T9462] veth1: entered promiscuous mode
[  835.966201][ T5491] br0: port 1(veth0) entered blocking state
[  835.966593][ T5491] br0: port 1(veth0) entered forwarding state
[  835.968204][ T5491] br0: port 2(veth1) entered blocking state
[  835.968556][ T5491] br0: port 2(veth1) entered forwarding state
[  837.885677][   T11] bond0: (slave veth0): link status definitely up
[  837.886339][   T11] bond0: (slave veth1): link status definitely up
[  837.886562][   T11] bond0: (slave veth0): making interface the new active one
[  837.887732][   T11] bond0: active interface up!
[  838.262793][   T11] veth1: left allmulticast mode
[  838.263066][   T11] veth1: left promiscuous mode
[  838.263429][   T11] br0: port 2(veth1) entered disabled state
[  838.265023][   T11] veth0: left allmulticast mode
[  838.265236][   T11] veth0: left promiscuous mode
[  838.265526][   T11] br0: port 1(veth0) entered disabled state
[  838.455293][   T11] bond0: (slave veth1): Releasing backup interface
[  838.577757][   T11] bond0: (slave veth0): Releasing backup interface
[  838.793418][   T11] bond0 (unregistering): Released all slaves