[  868.268169][ T9646] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  868.391475][ T9647] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  868.497530][ T9648] br0: port 1(veth0) entered blocking state
[  868.497803][ T9648] br0: port 1(veth0) entered disabled state
[  868.498060][ T9648] veth0: entered allmulticast mode
[  868.499217][ T9648] veth0: entered promiscuous mode
[  868.606301][ T9649] br0: port 2(veth1) entered blocking state
[  868.606659][ T9649] br0: port 2(veth1) entered disabled state
[  868.606941][ T9649] veth1: entered allmulticast mode
[  868.608730][ T9649] veth1: entered promiscuous mode
[  868.979078][   T72] br0: port 1(veth0) entered blocking state
[  868.979427][   T72] br0: port 1(veth0) entered forwarding state
[  868.980495][   T72] br0: port 2(veth1) entered blocking state
[  868.980738][   T72] br0: port 2(veth1) entered forwarding state
[  870.234774][ T8854] bond0: (slave veth1): link status definitely up
[  870.235183][ T8854] bond0: (slave veth1): making interface the new active one
[  870.236217][ T8854] bond0: active interface up!
[  870.661414][ T8854] veth1: left allmulticast mode
[  870.661628][ T8854] veth1: left promiscuous mode
[  870.661924][ T8854] br0: port 2(veth1) entered disabled state
[  870.664005][ T8854] veth0: left allmulticast mode
[  870.664202][ T8854] veth0: left promiscuous mode
[  870.664503][ T8854] br0: port 1(veth0) entered disabled state
[  870.797895][ T8854] bond0: (slave veth1): Releasing backup interface
[  870.990264][ T8854] bond0: (slave veth0): Releasing backup interface
[  871.380681][ T8854] bond0 (unregistering): Released all slaves