[  850.765974][ T9867] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  850.866818][ T9868] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  850.953985][ T9869] br0: port 1(veth0) entered blocking state
[  850.954579][ T9869] br0: port 1(veth0) entered disabled state
[  850.954885][ T9869] veth0: entered allmulticast mode
[  850.956108][ T9869] veth0: entered promiscuous mode
[  851.038936][ T9870] br0: port 2(veth1) entered blocking state
[  851.039253][ T9870] br0: port 2(veth1) entered disabled state
[  851.039507][ T9870] veth1: entered allmulticast mode
[  851.040730][ T9870] veth1: entered promiscuous mode
[  851.461957][ T8958] br0: port 1(veth0) entered blocking state
[  851.462365][ T8958] br0: port 1(veth0) entered forwarding state
[  851.463857][ T8958] br0: port 2(veth1) entered blocking state
[  851.464185][ T8958] br0: port 2(veth1) entered forwarding state
[  852.701616][ T5260] bond0: (slave veth1): link status definitely up
[  852.702131][ T5260] bond0: (slave veth1): making interface the new active one
[  852.703373][ T5260] bond0: active interface up!
[  853.147106][ T8959] veth1: left allmulticast mode
[  853.147399][ T8959] veth1: left promiscuous mode
[  853.147748][ T8959] br0: port 2(veth1) entered disabled state
[  853.150401][ T8959] veth0: left allmulticast mode
[  853.150648][ T8959] veth0: left promiscuous mode
[  853.150945][ T8959] br0: port 1(veth0) entered disabled state
[  853.319544][ T8959] bond0: (slave veth1): Releasing backup interface
[  853.470646][ T8959] bond0: (slave veth0): Releasing backup interface
[  853.859467][ T8959] bond0 (unregistering): Released all slaves