[ 1891.947572][T31784] br0: port 1(dummy0) entered blocking state
[ 1891.947776][T31784] br0: port 1(dummy0) entered disabled state
[ 1891.947948][T31784] dummy0: entered allmulticast mode
[ 1891.948862][T31784] dummy0: entered promiscuous mode
[ 1891.973140][T31785] br0: port 1(dummy0) entered blocking state
[ 1891.973381][T31785] br0: port 1(dummy0) entered forwarding state
[ 1893.697631][   T71] dummy0: left allmulticast mode
[ 1893.697795][   T71] dummy0: left promiscuous mode
[ 1893.698007][   T71] br0: port 1(dummy0) entered disabled state