[ 1958.545997][T15248] br0: port 1(dummy0) entered blocking state
[ 1958.546245][T15248] br0: port 1(dummy0) entered disabled state
[ 1958.546479][T15248] dummy0: entered allmulticast mode
[ 1958.548059][T15248] dummy0: entered promiscuous mode
[ 1958.572857][T15249] br0: port 1(dummy0) entered blocking state
[ 1958.573121][T15249] br0: port 1(dummy0) entered forwarding state
[ 1960.537472][   T70] dummy0: left allmulticast mode
[ 1960.537768][   T70] dummy0: left promiscuous mode
[ 1960.538023][   T70] br0: port 1(dummy0) entered disabled state