[ 2145.394369][T22484] br0: port 1(dummy0) entered blocking state
[ 2145.394612][T22484] br0: port 1(dummy0) entered disabled state
[ 2145.394841][T22484] dummy0: entered allmulticast mode
[ 2145.402151][T22484] dummy0: entered promiscuous mode
[ 2145.423835][T22485] br0: port 1(dummy0) entered blocking state
[ 2145.424136][T22485] br0: port 1(dummy0) entered forwarding state
[ 2147.385480][   T12] dummy0: left allmulticast mode
[ 2147.385754][   T12] dummy0: left promiscuous mode
[ 2147.385993][   T12] br0: port 1(dummy0) entered disabled state