[ 1933.721763][T28609] br0: port 1(dummy0) entered blocking state
[ 1933.721955][T28609] br0: port 1(dummy0) entered disabled state
[ 1933.722122][T28609] dummy0: entered allmulticast mode
[ 1933.723116][T28609] dummy0: entered promiscuous mode
[ 1933.746067][T28610] br0: port 1(dummy0) entered blocking state
[ 1933.746326][T28610] br0: port 1(dummy0) entered forwarding state
[ 1935.710014][   T70] dummy0: left allmulticast mode
[ 1935.710348][   T70] dummy0: left promiscuous mode
[ 1935.711016][   T70] br0: port 1(dummy0) entered disabled state