[ 2164.969558][T26057] br0: port 1(dummy0) entered blocking state
[ 2164.969885][T26057] br0: port 1(dummy0) entered disabled state
[ 2164.970166][T26057] dummy0: entered allmulticast mode
[ 2164.971170][T26057] dummy0: entered promiscuous mode
[ 2165.003254][T26058] br0: port 1(dummy0) entered blocking state
[ 2165.003569][T26058] br0: port 1(dummy0) entered forwarding state
[ 2167.553474][   T12] dummy0: left allmulticast mode
[ 2167.553854][   T12] dummy0: left promiscuous mode
[ 2167.554269][   T12] br0: port 1(dummy0) entered disabled state