[  850.741292][ T9419] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  850.845335][ T9420] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  850.924929][ T9421] br0: port 1(veth0) entered blocking state
[  850.925215][ T9421] br0: port 1(veth0) entered disabled state
[  850.934068][ T9421] veth0: entered allmulticast mode
[  850.936355][ T9421] veth0: entered promiscuous mode
[  851.044973][ T9422] br0: port 2(veth1) entered blocking state
[  851.045325][ T9422] br0: port 2(veth1) entered disabled state
[  851.046271][ T9422] veth1: entered allmulticast mode
[  851.047545][ T9422] veth1: entered promiscuous mode
[  851.796285][   T38] br0: port 1(veth0) entered blocking state
[  851.796694][   T38] br0: port 1(veth0) entered forwarding state
[  851.805426][   T38] br0: port 2(veth1) entered blocking state
[  851.805673][   T38] br0: port 2(veth1) entered forwarding state
[  853.715994][ T4218] bond0: (slave veth0): link status definitely up
[  853.717156][ T4218] bond0: (slave veth1): link status definitely up
[  853.717464][ T4218] bond0: (slave veth0): making interface the new active one
[  853.718817][ T4218] bond0: active interface up!
[  854.113436][ T4218] veth1: left allmulticast mode
[  854.113702][ T4218] veth1: left promiscuous mode
[  854.114019][ T4218] br0: port 2(veth1) entered disabled state
[  854.115758][ T4218] veth0: left allmulticast mode
[  854.115956][ T4218] veth0: left promiscuous mode
[  854.116231][ T4218] br0: port 1(veth0) entered disabled state
[  854.263156][ T4218] bond0: (slave veth1): Releasing backup interface
[  854.444174][ T4218] bond0: (slave veth0): Releasing backup interface
[  854.835450][ T4218] bond0 (unregistering): Released all slaves