[ 2073.518600][T26987] br0: port 1(dummy0) entered blocking state
[ 2073.518808][T26987] br0: port 1(dummy0) entered disabled state
[ 2073.518993][T26987] dummy0: entered allmulticast mode
[ 2073.519895][T26987] dummy0: entered promiscuous mode
[ 2073.544440][T26988] br0: port 1(dummy0) entered blocking state
[ 2073.544779][T26988] br0: port 1(dummy0) entered forwarding state
[ 2075.442232][   T12] dummy0: left allmulticast mode
[ 2075.442533][   T12] dummy0: left promiscuous mode
[ 2075.442753][   T12] br0: port 1(dummy0) entered disabled state