[ 2053.178404][T20669] br0: port 1(dummy0) entered blocking state
[ 2053.178971][T20669] br0: port 1(dummy0) entered disabled state
[ 2053.179177][T20669] dummy0: entered allmulticast mode
[ 2053.180245][T20669] dummy0: entered promiscuous mode
[ 2053.207088][T20670] br0: port 1(dummy0) entered blocking state
[ 2053.207324][T20670] br0: port 1(dummy0) entered forwarding state
[ 2055.086438][   T12] dummy0: left allmulticast mode
[ 2055.087375][   T12] dummy0: left promiscuous mode
[ 2055.087637][   T12] br0: port 1(dummy0) entered disabled state