[ 2077.230280][T20431] br0: port 1(dummy0) entered blocking state
[ 2077.230468][T20431] br0: port 1(dummy0) entered disabled state
[ 2077.230631][T20431] dummy0: entered allmulticast mode
[ 2077.231997][T20431] dummy0: entered promiscuous mode
[ 2077.264915][T20432] br0: port 1(dummy0) entered blocking state
[ 2077.265357][T20432] br0: port 1(dummy0) entered forwarding state
[ 2079.217695][   T70] dummy0: left allmulticast mode
[ 2079.218197][   T70] dummy0: left promiscuous mode
[ 2079.218415][   T70] br0: port 1(dummy0) entered disabled state