[ 1850.529757][T25024] br0: port 1(dummy0) entered blocking state
[ 1850.529948][T25024] br0: port 1(dummy0) entered disabled state
[ 1850.530111][T25024] dummy0: entered allmulticast mode
[ 1850.531191][T25024] dummy0: entered promiscuous mode
[ 1850.558145][T25025] br0: port 1(dummy0) entered blocking state
[ 1850.558555][T25025] br0: port 1(dummy0) entered forwarding state
[ 1852.522272][   T12] dummy0: left allmulticast mode
[ 1852.523226][   T12] dummy0: left promiscuous mode
[ 1852.523482][   T12] br0: port 1(dummy0) entered disabled state