[ 2288.503558][T14830] br0: port 1(dummy0) entered blocking state
[ 2288.503860][T14830] br0: port 1(dummy0) entered disabled state
[ 2288.504128][T14830] dummy0: entered allmulticast mode
[ 2288.505121][T14830] dummy0: entered promiscuous mode
[ 2288.538288][T14831] br0: port 1(dummy0) entered blocking state
[ 2288.538728][T14831] br0: port 1(dummy0) entered forwarding state
[ 2291.046024][   T70] dummy0: left allmulticast mode
[ 2291.047141][   T70] dummy0: left promiscuous mode
[ 2291.047656][   T70] br0: port 1(dummy0) entered disabled state