[ 1981.937470][T27605] br0: port 1(dummy0) entered blocking state
[ 1981.937663][T27605] br0: port 1(dummy0) entered disabled state
[ 1981.937830][T27605] dummy0: entered allmulticast mode
[ 1981.938815][T27605] dummy0: entered promiscuous mode
[ 1981.963633][T27606] br0: port 1(dummy0) entered blocking state
[ 1981.963896][T27606] br0: port 1(dummy0) entered forwarding state
[ 1983.971013][   T70] dummy0: left allmulticast mode
[ 1983.971537][   T70] dummy0: left promiscuous mode
[ 1983.971775][   T70] br0: port 1(dummy0) entered disabled state