[  854.558761][ T9504] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  854.645268][ T9505] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  854.738198][ T9506] br0: port 1(veth0) entered blocking state
[  854.738508][ T9506] br0: port 1(veth0) entered disabled state
[  854.738777][ T9506] veth0: entered allmulticast mode
[  854.740156][ T9506] veth0: entered promiscuous mode
[  854.830878][ T9507] br0: port 2(veth1) entered blocking state
[  854.831165][ T9507] br0: port 2(veth1) entered disabled state
[  854.831426][ T9507] veth1: entered allmulticast mode
[  854.832763][ T9507] veth1: entered promiscuous mode
[  855.313626][   T71] br0: port 1(veth0) entered blocking state
[  855.313907][   T71] br0: port 1(veth0) entered forwarding state
[  855.315003][   T71] br0: port 2(veth1) entered blocking state
[  855.315218][   T71] br0: port 2(veth1) entered forwarding state
[  856.505479][  T280] bond0: (slave veth1): link status definitely up
[  856.505838][  T280] bond0: (slave veth1): making interface the new active one
[  856.506952][  T280] bond0: active interface up!
[  856.848080][  T280] veth1: left allmulticast mode
[  856.848284][  T280] veth1: left promiscuous mode
[  856.848570][  T280] br0: port 2(veth1) entered disabled state
[  856.850540][  T280] veth0: left allmulticast mode
[  856.850724][  T280] veth0: left promiscuous mode
[  856.851041][  T280] br0: port 1(veth0) entered disabled state
[  857.027648][  T280] bond0: (slave veth1): Releasing backup interface
[  857.227575][  T280] bond0: (slave veth0): Releasing backup interface
[  857.615606][  T280] bond0 (unregistering): Released all slaves