[ 1993.452537][T30490] br0: port 1(dummy0) entered blocking state
[ 1993.452731][T30490] br0: port 1(dummy0) entered disabled state
[ 1993.452890][T30490] dummy0: entered allmulticast mode
[ 1993.453747][T30490] dummy0: entered promiscuous mode
[ 1993.488268][T30491] br0: port 1(dummy0) entered blocking state
[ 1993.488447][T30491] br0: port 1(dummy0) entered forwarding state
[ 1995.453118][   T12] dummy0: left allmulticast mode
[ 1995.454141][   T12] dummy0: left promiscuous mode
[ 1995.454371][   T12] br0: port 1(dummy0) entered disabled state