[  839.701625][ T9211] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  839.793422][ T9212] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  839.887287][ T9213] br0: port 1(veth0) entered blocking state
[  839.887699][ T9213] br0: port 1(veth0) entered disabled state
[  839.888004][ T9213] veth0: entered allmulticast mode
[  839.889498][ T9213] veth0: entered promiscuous mode
[  839.984839][ T9214] br0: port 2(veth1) entered blocking state
[  839.985103][ T9214] br0: port 2(veth1) entered disabled state
[  839.985344][ T9214] veth1: entered allmulticast mode
[  839.986722][ T9214] veth1: entered promiscuous mode
[  840.427034][ T4426] br0: port 1(veth0) entered blocking state
[  840.427293][ T4426] br0: port 1(veth0) entered forwarding state
[  840.428315][ T4426] br0: port 2(veth1) entered blocking state
[  840.428547][ T4426] br0: port 2(veth1) entered forwarding state
[  841.658995][ T8443] bond0: (slave veth1): link status definitely up
[  841.659581][ T8443] bond0: (slave veth1): making interface the new active one
[  841.661183][ T8443] bond0: active interface up!
[  842.137827][ T4626] veth1: left allmulticast mode
[  842.138205][ T4626] veth1: left promiscuous mode
[  842.138606][ T4626] br0: port 2(veth1) entered disabled state
[  842.141945][ T4626] veth0: left allmulticast mode
[  842.142267][ T4626] veth0: left promiscuous mode
[  842.142750][ T4626] br0: port 1(veth0) entered disabled state
[  842.317260][ T4626] bond0: (slave veth1): Releasing backup interface
[  842.443026][ T4626] bond0: (slave veth0): Releasing backup interface
[  842.821085][ T4626] bond0 (unregistering): Released all slaves