[ 2050.163449] br0: port 1(dummy0) entered blocking state
[ 2050.163494] br0: port 1(dummy0) entered disabled state
[ 2050.163530] dummy0: entered allmulticast mode
[ 2050.163582] dummy0: entered promiscuous mode
[ 2050.167065] br0: port 1(dummy0) entered blocking state
[ 2050.167127] br0: port 1(dummy0) entered forwarding state
[ 2050.416516] dummy0: left allmulticast mode
[ 2050.416548] dummy0: left promiscuous mode
[ 2050.416581] br0: port 1(dummy0) entered disabled state