[  853.819014][ T9412] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  853.947183][ T9413] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  854.083638][ T9414] br0: port 1(veth0) entered blocking state
[  854.084187][ T9414] br0: port 1(veth0) entered disabled state
[  854.084679][ T9414] veth0: entered allmulticast mode
[  854.086799][ T9414] veth0: entered promiscuous mode
[  854.182246][ T9415] br0: port 2(veth1) entered blocking state
[  854.182717][ T9415] br0: port 2(veth1) entered disabled state
[  854.183139][ T9415] veth1: entered allmulticast mode
[  854.187222][ T9415] veth1: entered promiscuous mode
[  854.533100][ T5410] br0: port 1(veth0) entered blocking state
[  854.533382][ T5410] br0: port 1(veth0) entered forwarding state
[  854.534591][ T5410] br0: port 2(veth1) entered blocking state
[  854.534839][ T5410] br0: port 2(veth1) entered forwarding state
[  855.796049][ T4560] bond0: (slave veth1): link status definitely up
[  855.796523][ T4560] bond0: (slave veth1): making interface the new active one
[  855.797663][ T4560] bond0: active interface up!
[  856.179945][ T8508] veth1: left allmulticast mode
[  856.180199][ T8508] veth1: left promiscuous mode
[  856.180559][ T8508] br0: port 2(veth1) entered disabled state
[  856.183747][ T8508] veth0: left allmulticast mode
[  856.183985][ T8508] veth0: left promiscuous mode
[  856.184303][ T8508] br0: port 1(veth0) entered disabled state
[  856.367070][ T8508] bond0: (slave veth1): Releasing backup interface
[  856.549234][ T8508] bond0: (slave veth0): Releasing backup interface
[  856.977926][ T8508] bond0 (unregistering): Released all slaves