[  848.878333][ T9426] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  848.970298][ T9427] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  849.054575][ T9428] br0: port 1(veth0) entered blocking state
[  849.054872][ T9428] br0: port 1(veth0) entered disabled state
[  849.055143][ T9428] veth0: entered allmulticast mode
[  849.056383][ T9428] veth0: entered promiscuous mode
[  849.166977][ T9429] br0: port 2(veth1) entered blocking state
[  849.167383][ T9429] br0: port 2(veth1) entered disabled state
[  849.167825][ T9429] veth1: entered allmulticast mode
[  849.169892][ T9429] veth1: entered promiscuous mode
[  849.595042][ T8664] br0: port 1(veth0) entered blocking state
[  849.595304][ T8664] br0: port 1(veth0) entered forwarding state
[  849.596272][ T8664] br0: port 2(veth1) entered blocking state
[  849.596500][ T8664] br0: port 2(veth1) entered forwarding state
[  850.843960][ T8805] bond0: (slave veth1): link status definitely up
[  850.844424][ T8805] bond0: (slave veth1): making interface the new active one
[  850.845677][ T8805] bond0: active interface up!
[  851.310333][   T69] veth1: left allmulticast mode
[  851.310606][   T69] veth1: left promiscuous mode
[  851.310917][   T69] br0: port 2(veth1) entered disabled state
[  851.313297][   T69] veth0: left allmulticast mode
[  851.313500][   T69] veth0: left promiscuous mode
[  851.313775][   T69] br0: port 1(veth0) entered disabled state
[  851.445164][   T69] bond0: (slave veth1): Releasing backup interface
[  851.621835][   T69] bond0: (slave veth0): Releasing backup interface
[  851.986734][   T69] bond0 (unregistering): Released all slaves