[  856.208143][ T9393] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  856.311494][ T9394] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  856.402291][ T9395] br0: port 1(veth0) entered blocking state
[  856.402576][ T9395] br0: port 1(veth0) entered disabled state
[  856.402856][ T9395] veth0: entered allmulticast mode
[  856.404102][ T9395] veth0: entered promiscuous mode
[  856.488871][ T9396] br0: port 2(veth1) entered blocking state
[  856.489221][ T9396] br0: port 2(veth1) entered disabled state
[  856.489527][ T9396] veth1: entered allmulticast mode
[  856.491325][ T9396] veth1: entered promiscuous mode
[  856.939505][ T8960] br0: port 1(veth0) entered blocking state
[  856.939931][ T8960] br0: port 1(veth0) entered forwarding state
[  856.941495][ T8960] br0: port 2(veth1) entered blocking state
[  856.941864][ T8960] br0: port 2(veth1) entered forwarding state
[  858.188138][ T5226] bond0: (slave veth1): link status definitely up
[  858.188606][ T5226] bond0: (slave veth1): making interface the new active one
[  858.189998][ T5226] bond0: active interface up!
[  858.646032][ T5226] veth1: left allmulticast mode
[  858.646262][ T5226] veth1: left promiscuous mode
[  858.646589][ T5226] br0: port 2(veth1) entered disabled state
[  858.649039][ T5226] veth0: left allmulticast mode
[  858.649236][ T5226] veth0: left promiscuous mode
[  858.649548][ T5226] br0: port 1(veth0) entered disabled state
[  858.804148][ T5226] bond0: (slave veth1): Releasing backup interface
[  859.020137][ T5226] bond0: (slave veth0): Releasing backup interface
[  859.404242][ T5226] bond0 (unregistering): Released all slaves