[ 2085.181803][T10970] br0: port 1(dummy0) entered blocking state
[ 2085.182056][T10970] br0: port 1(dummy0) entered disabled state
[ 2085.182294][T10970] dummy0: entered allmulticast mode
[ 2085.183455][T10970] dummy0: entered promiscuous mode
[ 2085.214601][T10971] br0: port 1(dummy0) entered blocking state
[ 2085.214907][T10971] br0: port 1(dummy0) entered forwarding state
[ 2087.266054][   T12] dummy0: left allmulticast mode
[ 2087.266759][   T12] dummy0: left promiscuous mode
[ 2087.267051][   T12] br0: port 1(dummy0) entered disabled state