[ 2124.529820][T28881] br0: port 1(dummy0) entered blocking state
[ 2124.530167][T28881] br0: port 1(dummy0) entered disabled state
[ 2124.530510][T28881] dummy0: entered allmulticast mode
[ 2124.531655][T28881] dummy0: entered promiscuous mode
[ 2124.570720][T28882] br0: port 1(dummy0) entered blocking state
[ 2124.571178][T28882] br0: port 1(dummy0) entered forwarding state
[ 2126.913033][   T70] dummy0: left allmulticast mode
[ 2126.913993][   T70] dummy0: left promiscuous mode
[ 2126.914481][   T70] br0: port 1(dummy0) entered disabled state