[ 2053.150620][T10893] br0: port 1(dummy0) entered blocking state
[ 2053.150867][T10893] br0: port 1(dummy0) entered disabled state
[ 2053.151106][T10893] dummy0: entered allmulticast mode
[ 2053.152082][T10893] dummy0: entered promiscuous mode
[ 2053.182311][T10894] br0: port 1(dummy0) entered blocking state
[ 2053.182623][T10894] br0: port 1(dummy0) entered forwarding state
[ 2055.582552][   T71] dummy0: left allmulticast mode
[ 2055.583540][   T71] dummy0: left promiscuous mode
[ 2055.583779][   T71] br0: port 1(dummy0) entered disabled state