[ 1726.758849] br0: port 1(dummy0) entered blocking state
[ 1726.758928] br0: port 1(dummy0) entered disabled state
[ 1726.758999] dummy0: entered allmulticast mode
[ 1726.759084] dummy0: entered promiscuous mode
[ 1726.761608] br0: port 1(dummy0) entered blocking state
[ 1726.761642] br0: port 1(dummy0) entered forwarding state
[ 1726.937253] dummy0: left allmulticast mode
[ 1726.937284] dummy0: left promiscuous mode
[ 1726.937313] br0: port 1(dummy0) entered disabled state