[ 1984.381565][T10859] br0: port 1(dummy0) entered blocking state
[ 1984.381766][T10859] br0: port 1(dummy0) entered disabled state
[ 1984.381940][T10859] dummy0: entered allmulticast mode
[ 1984.382838][T10859] dummy0: entered promiscuous mode
[ 1984.411282][T10860] br0: port 1(dummy0) entered blocking state
[ 1984.411572][T10860] br0: port 1(dummy0) entered forwarding state
[ 1986.509140][   T12] dummy0: left allmulticast mode
[ 1986.509453][   T12] dummy0: left promiscuous mode
[ 1986.510067][   T12] br0: port 1(dummy0) entered disabled state