[ 1891.938054][T27247] br0: port 1(dummy0) entered blocking state
[ 1891.938289][T27247] br0: port 1(dummy0) entered disabled state
[ 1891.938519][T27247] dummy0: entered allmulticast mode
[ 1891.939415][T27247] dummy0: entered promiscuous mode
[ 1891.964025][T27248] br0: port 1(dummy0) entered blocking state
[ 1891.964361][T27248] br0: port 1(dummy0) entered forwarding state
[ 1893.890325][   T12] dummy0: left allmulticast mode
[ 1893.890543][   T12] dummy0: left promiscuous mode
[ 1893.890796][   T12] br0: port 1(dummy0) entered disabled state