[ 2075.287107][T17409] br0: port 1(dummy0) entered blocking state
[ 2075.287336][T17409] br0: port 1(dummy0) entered disabled state
[ 2075.288103][T17409] dummy0: entered allmulticast mode
[ 2075.289033][T17409] dummy0: entered promiscuous mode
[ 2075.316892][T17410] br0: port 1(dummy0) entered blocking state
[ 2075.317158][T17410] br0: port 1(dummy0) entered forwarding state
[ 2077.359825][   T12] dummy0: left allmulticast mode
[ 2077.360637][   T12] dummy0: left promiscuous mode
[ 2077.360876][   T12] br0: port 1(dummy0) entered disabled state