[ 2214.833553][ T2094] br0: port 1(dummy0) entered blocking state
[ 2214.833760][ T2094] br0: port 1(dummy0) entered disabled state
[ 2214.833923][ T2094] dummy0: entered allmulticast mode
[ 2214.834771][ T2094] dummy0: entered promiscuous mode
[ 2214.861619][ T2095] br0: port 1(dummy0) entered blocking state
[ 2214.861804][ T2095] br0: port 1(dummy0) entered forwarding state
[ 2217.233441][   T68] dummy0: left allmulticast mode
[ 2217.234746][   T68] dummy0: left promiscuous mode
[ 2217.234993][   T68] br0: port 1(dummy0) entered disabled state