[ 2049.528405][T22051] br0: port 1(dummy0) entered blocking state
[ 2049.528600][T22051] br0: port 1(dummy0) entered disabled state
[ 2049.529237][T22051] dummy0: entered allmulticast mode
[ 2049.530112][T22051] dummy0: entered promiscuous mode
[ 2049.561361][T22052] br0: port 1(dummy0) entered blocking state
[ 2049.561627][T22052] br0: port 1(dummy0) entered forwarding state
[ 2051.516142][   T12] dummy0: left allmulticast mode
[ 2051.516585][   T12] dummy0: left promiscuous mode
[ 2051.517026][   T12] br0: port 1(dummy0) entered disabled state