[ 1826.910321] br0: port 1(dummy0) entered blocking state
[ 1826.910365] br0: port 1(dummy0) entered disabled state
[ 1826.910415] dummy0: entered allmulticast mode
[ 1826.910471] dummy0: entered promiscuous mode
[ 1826.914117] br0: port 1(dummy0) entered blocking state
[ 1826.914178] br0: port 1(dummy0) entered forwarding state
[ 1827.184611] dummy0: left allmulticast mode
[ 1827.184682] dummy0: left promiscuous mode
[ 1827.184749] br0: port 1(dummy0) entered disabled state