[  837.142059][ T9669] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.227137][ T9670] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.333041][ T9671] br0: port 1(veth0) entered blocking state
[  837.333513][ T9671] br0: port 1(veth0) entered disabled state
[  837.333922][ T9671] veth0: entered allmulticast mode
[  837.335506][ T9671] veth0: entered promiscuous mode
[  837.443572][ T9672] br0: port 2(veth1) entered blocking state
[  837.443990][ T9672] br0: port 2(veth1) entered disabled state
[  837.444362][ T9672] veth1: entered allmulticast mode
[  837.446331][ T9672] veth1: entered promiscuous mode
[  837.865987][ T4809] br0: port 1(veth0) entered blocking state
[  837.866262][ T4809] br0: port 1(veth0) entered forwarding state
[  837.867244][ T4809] br0: port 2(veth1) entered blocking state
[  837.867499][ T4809] br0: port 2(veth1) entered forwarding state
[  839.114025][ T5013] bond0: (slave veth1): link status definitely up
[  839.114549][ T5013] bond0: (slave veth1): making interface the new active one
[  839.115930][ T5013] bond0: active interface up!
[  839.342343][ T5013] veth1: left allmulticast mode
[  839.342700][ T5013] veth1: left promiscuous mode
[  839.343268][ T5013] br0: port 2(veth1) entered disabled state
[  839.358732][ T5013] veth0: left allmulticast mode
[  839.359021][ T5013] veth0: left promiscuous mode
[  839.359389][ T5013] br0: port 1(veth0) entered disabled state
[  839.524275][ T5013] bond0: (slave veth1): Releasing backup interface
[  839.685154][ T5013] bond0: (slave veth0): Releasing backup interface
[  840.103369][ T5013] bond0 (unregistering): Released all slaves