diff --git a/authz/listfile.c b/authz/listfile.c
index e7a8c19bcb..b71f57d30a 100644
--- a/authz/listfile.c
+++ b/authz/listfile.c
@@ -239,7 +239,7 @@ qauthz_list_file_init(Object *obj)
 
     authz->file_watch = -1;
 #ifdef CONFIG_INOTIFY1
-    authz->refresh = TRUE;
+    authz->refresh = true;
 #endif
 }
 
diff --git a/io/channel-websock.c b/io/channel-websock.c
index fc36d44eba..47a0e941d9 100644
--- a/io/channel-websock.c
+++ b/io/channel-websock.c
@@ -49,13 +49,20 @@
     "Server: QEMU VNC\r\n"                       \
     "Date: %s\r\n"
 
+#define QIO_CHANNEL_WEBSOCK_HANDSHAKE_WITH_PROTO_RES_OK \
+    "HTTP/1.1 101 Switching Protocols\r\n"              \
+    QIO_CHANNEL_WEBSOCK_HANDSHAKE_RES_COMMON            \
+    "Upgrade: websocket\r\n"                            \
+    "Connection: Upgrade\r\n"                           \
+    "Sec-WebSocket-Accept: %s\r\n"                      \
+    "Sec-WebSocket-Protocol: binary\r\n"                \
+    "\r\n"
 #define QIO_CHANNEL_WEBSOCK_HANDSHAKE_RES_OK    \
     "HTTP/1.1 101 Switching Protocols\r\n"      \
     QIO_CHANNEL_WEBSOCK_HANDSHAKE_RES_COMMON    \
     "Upgrade: websocket\r\n"                    \
     "Connection: Upgrade\r\n"                   \
     "Sec-WebSocket-Accept: %s\r\n"              \
-    "Sec-WebSocket-Protocol: binary\r\n"        \
     "\r\n"
 #define QIO_CHANNEL_WEBSOCK_HANDSHAKE_RES_NOT_FOUND \
     "HTTP/1.1 404 Not Found\r\n"                    \
@@ -336,6 +343,7 @@ qio_channel_websock_find_header(QIOChannelWebsockHTTPHeader *hdrs,
 
 static void qio_channel_websock_handshake_send_res_ok(QIOChannelWebsock *ioc,
                                                       const char *key,
+                                                      const bool use_protocols,
                                                       Error **errp)
 {
     char combined_key[QIO_CHANNEL_WEBSOCK_CLIENT_KEY_LEN +
@@ -361,8 +369,14 @@ static void qio_channel_websock_handshake_send_res_ok(QIOChannelWebsock *ioc,
     }
 
     date = qio_channel_websock_date_str();
-    qio_channel_websock_handshake_send_res(
-        ioc, QIO_CHANNEL_WEBSOCK_HANDSHAKE_RES_OK, date, accept);
+    if (use_protocols) {
+            qio_channel_websock_handshake_send_res(
+                ioc, QIO_CHANNEL_WEBSOCK_HANDSHAKE_WITH_PROTO_RES_OK,
+                date, accept);
+    } else {
+            qio_channel_websock_handshake_send_res(
+                ioc, QIO_CHANNEL_WEBSOCK_HANDSHAKE_RES_OK, date, accept);
+    }
 
     g_free(date);
     g_free(accept);
@@ -387,10 +401,6 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc,
 
     protocols = qio_channel_websock_find_header(
         hdrs, nhdrs, QIO_CHANNEL_WEBSOCK_HEADER_PROTOCOL);
-    if (!protocols) {
-        error_setg(errp, "Missing websocket protocol header data");
-        goto bad_request;
-    }
 
     version = qio_channel_websock_find_header(
         hdrs, nhdrs, QIO_CHANNEL_WEBSOCK_HEADER_VERSION);
@@ -430,10 +440,12 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc,
     trace_qio_channel_websock_http_request(ioc, protocols, version,
                                            host, connection, upgrade, key);
 
-    if (!g_strrstr(protocols, QIO_CHANNEL_WEBSOCK_PROTOCOL_BINARY)) {
-        error_setg(errp, "No '%s' protocol is supported by client '%s'",
-                   QIO_CHANNEL_WEBSOCK_PROTOCOL_BINARY, protocols);
-        goto bad_request;
+    if (protocols) {
+            if (!g_strrstr(protocols, QIO_CHANNEL_WEBSOCK_PROTOCOL_BINARY)) {
+                error_setg(errp, "No '%s' protocol is supported by client '%s'",
+                           QIO_CHANNEL_WEBSOCK_PROTOCOL_BINARY, protocols);
+                goto bad_request;
+            }
     }
 
     if (!g_str_equal(version, QIO_CHANNEL_WEBSOCK_SUPPORTED_VERSION)) {
@@ -467,7 +479,7 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc,
         goto bad_request;
     }
 
-    qio_channel_websock_handshake_send_res_ok(ioc, key, errp);
+    qio_channel_websock_handshake_send_res_ok(ioc, key, !!protocols, errp);
     return;
 
  bad_request:
diff --git a/qemu-options.hx b/qemu-options.hx
index ff3e806977..ac315c1ac4 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2428,8 +2428,7 @@ Use @option{model=help} to list the available device types.
 The hardware MAC address can be set with @option{mac=@var{macaddr}}.
 
 The following two example do exactly the same, to show how @option{-nic} can
-be used to shorten the command line length (note that the e1000 is the default
-on i386, so the @option{model=e1000} parameter could even be omitted here, too):
+be used to shorten the command line length:
 @example
 @value{qemu_system} -netdev user,id=n1,ipv6=off -device e1000,netdev=n1,mac=52:54:98:76:54:32
 @value{qemu_system} -nic user,ipv6=off,model=e1000,mac=52:54:98:76:54:32
@@ -2843,9 +2842,12 @@ netdev with ID @var{nd} by using the @option{netdev=@var{nd}} option.
 Legacy option to configure or create an on-board (or machine default) Network
 Interface Card(NIC) and connect it either to the emulated hub with ID 0 (i.e.
 the default hub), or to the netdev @var{nd}.
-The NIC is an e1000 by default on the PC target. Optionally, the MAC address
-can be changed to @var{mac}, the device address set to @var{addr} (PCI cards
-only), and a @var{name} can be assigned for use in monitor commands.
+If @var{model} is omitted, then the default NIC model associated with
+the machine type is used. Note that the default NIC model may change in
+future QEMU releases, so it is highly recommended to always specify a model.
+Optionally, the MAC address can be changed to @var{mac}, the device
+address set to @var{addr} (PCI cards only), and a @var{name} can be
+assigned for use in monitor commands.
 Optionally, for PCI cards, you can specify the number @var{v} of MSI-X vectors
 that the card should have; this option currently only affects virtio cards; set
 @var{v} = 0 to disable MSI-X. If no @option{-net} option is specified, a single