[ 2106.137888][T27398] br0: port 1(dummy0) entered blocking state
[ 2106.138205][T27398] br0: port 1(dummy0) entered disabled state
[ 2106.138507][T27398] dummy0: entered allmulticast mode
[ 2106.139509][T27398] dummy0: entered promiscuous mode
[ 2106.165765][T27399] br0: port 1(dummy0) entered blocking state
[ 2106.166440][T27399] br0: port 1(dummy0) entered forwarding state
[ 2108.680421][   T12] dummy0: left allmulticast mode
[ 2108.681609][   T12] dummy0: left promiscuous mode
[ 2108.681967][   T12] br0: port 1(dummy0) entered disabled state