[ 1986.368986][T30429] br0: port 1(dummy0) entered blocking state
[ 1986.369189][T30429] br0: port 1(dummy0) entered disabled state
[ 1986.369365][T30429] dummy0: entered allmulticast mode
[ 1986.371752][T30429] dummy0: entered promiscuous mode
[ 1986.393815][T30430] br0: port 1(dummy0) entered blocking state
[ 1986.394224][T30430] br0: port 1(dummy0) entered forwarding state
[ 1988.387758][   T68] dummy0: left allmulticast mode
[ 1988.388097][   T68] dummy0: left promiscuous mode
[ 1988.388390][   T68] br0: port 1(dummy0) entered disabled state