[ 2165.529614][T21087] br0: port 1(dummy0) entered blocking state
[ 2165.529807][T21087] br0: port 1(dummy0) entered disabled state
[ 2165.529972][T21087] dummy0: entered allmulticast mode
[ 2165.530847][T21087] dummy0: entered promiscuous mode
[ 2165.562827][T21088] br0: port 1(dummy0) entered blocking state
[ 2165.563038][T21088] br0: port 1(dummy0) entered forwarding state
[ 2167.535967][   T70] dummy0: left allmulticast mode
[ 2167.536338][   T70] dummy0: left promiscuous mode
[ 2167.536563][   T70] br0: port 1(dummy0) entered disabled state