[ 1808.385406][T14089] br0: port 1(dummy0) entered blocking state
[ 1808.385646][T14089] br0: port 1(dummy0) entered disabled state
[ 1808.385870][T14089] dummy0: entered allmulticast mode
[ 1808.386786][T14089] dummy0: entered promiscuous mode
[ 1808.409217][T14090] br0: port 1(dummy0) entered blocking state
[ 1808.409390][T14090] br0: port 1(dummy0) entered forwarding state
[ 1810.364411][   T72] dummy0: left allmulticast mode
[ 1810.364687][   T72] dummy0: left promiscuous mode
[ 1810.364891][   T72] br0: port 1(dummy0) entered disabled state