net: pass monitor handle to client init functions

Needed for e.g. looking up a file descriptor name using
monitor_get_fd() in net_init_tap()

Patchworks-ID: 35509
Signed-off-by: NMark McLoughlin <markmc@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

net.c

@@ -3021,7 +3021,7 @@ int net_client_init(Monitor *mon, QemuOpts *opts)
             }
 
             if (net_client_types[i].init) {
-                return net_client_types[i].init(opts, NULL);
+                return net_client_types[i].init(opts, mon);
             } else {
                 return 0;
             }