[ 2041.153057][T14431] br0: port 1(dummy0) entered blocking state
[ 2041.153745][T14431] br0: port 1(dummy0) entered disabled state
[ 2041.153923][T14431] dummy0: entered allmulticast mode
[ 2041.154993][T14431] dummy0: entered promiscuous mode
[ 2041.182385][T14432] br0: port 1(dummy0) entered blocking state
[ 2041.182573][T14432] br0: port 1(dummy0) entered forwarding state
[ 2043.003685][   T12] dummy0: left allmulticast mode
[ 2043.003854][   T12] dummy0: left promiscuous mode
[ 2043.004073][   T12] br0: port 1(dummy0) entered disabled state