[ 1983.852056][T26247] br0: port 1(dummy0) entered blocking state
[ 1983.852260][T26247] br0: port 1(dummy0) entered disabled state
[ 1983.852449][T26247] dummy0: entered allmulticast mode
[ 1983.853500][T26247] dummy0: entered promiscuous mode
[ 1983.882061][T26248] br0: port 1(dummy0) entered blocking state
[ 1983.882481][T26248] br0: port 1(dummy0) entered forwarding state
[ 1985.924592][   T12] dummy0: left allmulticast mode
[ 1985.924768][   T12] dummy0: left promiscuous mode
[ 1985.924984][   T12] br0: port 1(dummy0) entered disabled state