[ 2107.504906][T15179] br0: port 1(dummy0) entered blocking state
[ 2107.505097][T15179] br0: port 1(dummy0) entered disabled state
[ 2107.505283][T15179] dummy0: entered allmulticast mode
[ 2107.506230][T15179] dummy0: entered promiscuous mode
[ 2107.530103][T15180] br0: port 1(dummy0) entered blocking state
[ 2107.530517][T15180] br0: port 1(dummy0) entered forwarding state
[ 2109.541415][T13944] dummy0: left allmulticast mode
[ 2109.542490][T13944] dummy0: left promiscuous mode
[ 2109.542722][T13944] br0: port 1(dummy0) entered disabled state