[ 1931.031583][T31264] br0: port 1(dummy0) entered blocking state
[ 1931.031833][T31264] br0: port 1(dummy0) entered disabled state
[ 1931.032054][T31264] dummy0: entered allmulticast mode
[ 1931.032993][T31264] dummy0: entered promiscuous mode
[ 1931.063281][T31265] br0: port 1(dummy0) entered blocking state
[ 1931.063929][T31265] br0: port 1(dummy0) entered forwarding state
[ 1932.998403][   T12] dummy0: left allmulticast mode
[ 1932.999365][   T12] dummy0: left promiscuous mode
[ 1932.999623][   T12] br0: port 1(dummy0) entered disabled state