[ 2275.412802][T12187] br0: port 1(dummy0) entered blocking state
[ 2275.413453][T12187] br0: port 1(dummy0) entered disabled state
[ 2275.413667][T12187] dummy0: entered allmulticast mode
[ 2275.419046][T12187] dummy0: entered promiscuous mode
[ 2275.449586][T12188] br0: port 1(dummy0) entered blocking state
[ 2275.449950][T12188] br0: port 1(dummy0) entered forwarding state
[ 2277.848576][   T69] dummy0: left allmulticast mode
[ 2277.848905][   T69] dummy0: left promiscuous mode
[ 2277.849133][   T69] br0: port 1(dummy0) entered disabled state