[  852.375606][ T9440] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  852.503713][ T9441] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  852.614227][ T9442] br0: port 1(veth0) entered blocking state
[  852.614617][ T9442] br0: port 1(veth0) entered disabled state
[  852.615035][ T9442] veth0: entered allmulticast mode
[  852.617552][ T9442] veth0: entered promiscuous mode
[  852.725113][ T9443] br0: port 2(veth1) entered blocking state
[  852.725437][ T9443] br0: port 2(veth1) entered disabled state
[  852.725741][ T9443] veth1: entered allmulticast mode
[  852.727419][ T9443] veth1: entered promiscuous mode
[  853.079274][   T40] br0: port 1(veth0) entered blocking state
[  853.079667][   T40] br0: port 1(veth0) entered forwarding state
[  853.083047][   T40] br0: port 2(veth1) entered blocking state
[  853.083392][   T40] br0: port 2(veth1) entered forwarding state
[  854.351630][   T69] bond0: (slave veth1): link status definitely up
[  854.352289][   T69] bond0: (slave veth1): making interface the new active one
[  854.353784][   T69] bond0: active interface up!
[  854.557087][   T69] veth1: left allmulticast mode
[  854.557302][   T69] veth1: left promiscuous mode
[  854.557640][   T69] br0: port 2(veth1) entered disabled state
[  854.560263][   T69] veth0: left allmulticast mode
[  854.560443][   T69] veth0: left promiscuous mode
[  854.560713][   T69] br0: port 1(veth0) entered disabled state
[  854.752514][   T69] bond0: (slave veth1): Releasing backup interface
[  854.887576][   T69] bond0: (slave veth0): Releasing backup interface
[  855.085264][   T69] bond0 (unregistering): Released all slaves