[ 1726.342803] br0: port 1(dummy0) entered blocking state
[ 1726.342867] br0: port 1(dummy0) entered disabled state
[ 1726.342919] dummy0: entered allmulticast mode
[ 1726.342991] dummy0: entered promiscuous mode
[ 1726.346088] br0: port 1(dummy0) entered blocking state
[ 1726.346137] br0: port 1(dummy0) entered forwarding state
[ 1726.549506] dummy0: left allmulticast mode
[ 1726.549532] dummy0: left promiscuous mode
[ 1726.549551] br0: port 1(dummy0) entered disabled state