'rabbitmqctl status' shows as 0 in the total number of file handles column when there are connections

mgmt_db: 0.0 gb (0.0 %)
reserved_unallocated: 0.0 gb (0.0 %)

File Descriptors

Total: 0, limit: 89903

Free Disk Space

Low free disk space watermark: 1.0 gb
Free disk space: 40.0079 gb

Totals

Connection count: 1
Queue count: 3
Virtual host count: 1

Listeners

Interface: [2001:123::2], port: 25672, protocol: clustering,

Author: tomyouyou

deps/rabbit/src/rabbit_networking.erl

@@ -583,11 +583,13 @@ handshake(Ref, ProxyProtocolEnabled, BufferStrategy) ->
                 {ok, ProxyInfo} ->
                     {ok, Sock} = ranch_handshake(Ref),
                     ok = tune_buffer_size(Sock, BufferStrategy),
+                    ok = file_handle_cache:obtain(),
                     {ok, {rabbit_proxy_socket, Sock, ProxyInfo}}
             end;
         false ->
             {ok, Sock} = ranch_handshake(Ref),
             ok = tune_buffer_size(Sock, BufferStrategy),
+            ok = file_handle_cache:obtain(),
             {ok, Sock}
     end.