[  855.441740][ T9454] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  855.519596][ T9455] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  855.627203][ T9456] br0: port 1(veth0) entered blocking state
[  855.627480][ T9456] br0: port 1(veth0) entered disabled state
[  855.627714][ T9456] veth0: entered allmulticast mode
[  855.628963][ T9456] veth0: entered promiscuous mode
[  855.707279][ T9457] br0: port 2(veth1) entered blocking state
[  855.707547][ T9457] br0: port 2(veth1) entered disabled state
[  855.707789][ T9457] veth1: entered allmulticast mode
[  855.708965][ T9457] veth1: entered promiscuous mode
[  856.176104][ T8660] br0: port 1(veth0) entered blocking state
[  856.176469][ T8660] br0: port 1(veth0) entered forwarding state
[  856.177522][ T8660] br0: port 2(veth1) entered blocking state
[  856.177805][ T8660] br0: port 2(veth1) entered forwarding state
[  857.424015][ T8801] bond0: (slave veth1): link status definitely up
[  857.424624][ T8801] bond0: (slave veth1): making interface the new active one
[  857.426250][ T8801] bond0: active interface up!
[  857.751675][ T8801] veth1: left allmulticast mode
[  857.751888][ T8801] veth1: left promiscuous mode
[  857.752198][ T8801] br0: port 2(veth1) entered disabled state
[  857.754908][ T8801] veth0: left allmulticast mode
[  857.755111][ T8801] veth0: left promiscuous mode
[  857.755471][ T8801] br0: port 1(veth0) entered disabled state
[  857.948425][ T8801] bond0: (slave veth1): Releasing backup interface
[  858.088799][ T8801] bond0: (slave veth0): Releasing backup interface
[  858.466362][ T8801] bond0 (unregistering): Released all slaves