[ 1917.135795][T27891] br0: port 1(dummy0) entered blocking state
[ 1917.136005][T27891] br0: port 1(dummy0) entered disabled state
[ 1917.136180][T27891] dummy0: entered allmulticast mode
[ 1917.137100][T27891] dummy0: entered promiscuous mode
[ 1917.162370][T27892] br0: port 1(dummy0) entered blocking state
[ 1917.162924][T27892] br0: port 1(dummy0) entered forwarding state
[ 1918.991584][   T70] dummy0: left allmulticast mode
[ 1918.991749][   T70] dummy0: left promiscuous mode
[ 1918.992450][   T70] br0: port 1(dummy0) entered disabled state