[ 2115.229662][T30298] br0: port 1(dummy0) entered blocking state
[ 2115.229890][T30298] br0: port 1(dummy0) entered disabled state
[ 2115.230548][T30298] dummy0: entered allmulticast mode
[ 2115.231483][T30298] dummy0: entered promiscuous mode
[ 2115.261881][T30299] br0: port 1(dummy0) entered blocking state
[ 2115.262208][T30299] br0: port 1(dummy0) entered forwarding state
[ 2117.111199][   T12] dummy0: left allmulticast mode
[ 2117.112204][   T12] dummy0: left promiscuous mode
[ 2117.112444][   T12] br0: port 1(dummy0) entered disabled state