question: private void tearDownAllConnections ( ) { for ( NetworkInterface i : net ) { List < Connection > conns = i . getConnections ( ) ; if ( conns . size ( ) == 0 ) continue ; List < NetworkInterface > removeList = new ArrayList < NetworkInterface > ( conns . size ( ) ) ; for ( Connection con : conns ) { removeList . add ( con . getOtherInterface ( i ) ) ; } for ( NetworkInterface inf : removeList ) { i . destroyConnection ( inf ) ; } } }
target:  Tears down all connections for this host.