[ 2212.056174][T12585] br0: port 1(dummy0) entered blocking state
[ 2212.056375][T12585] br0: port 1(dummy0) entered disabled state
[ 2212.056559][T12585] dummy0: entered allmulticast mode
[ 2212.057439][T12585] dummy0: entered promiscuous mode
[ 2212.078125][T12586] br0: port 1(dummy0) entered blocking state
[ 2212.078385][T12586] br0: port 1(dummy0) entered forwarding state
[ 2214.102865][   T12] dummy0: left allmulticast mode
[ 2214.103162][   T12] dummy0: left promiscuous mode
[ 2214.103382][   T12] br0: port 1(dummy0) entered disabled state