'net rpc user' fails silently

[psmedley]

Error from log.smbd is:

[2024/06/27 11:01:32.805000, 10, pid=10435, effective(109, 514), real(0, 0), class=rpc_srv] ../../source3/rpc_server/srv_pipe_hnd.c:91(np_open)
  np_open: local_np_connect failed: No such file or directory
[2024/06/27 11:01:32.805000, 10, pid=10435, effective(109, 514), real(0, 0)] ../../source3/smbd/smb2_pipes.c:141(open_np_file)
  np_open(samr) returned NT_STATUS_OBJECT_NAME_NOT_FOUND

[psmedley]

Above snip was without sambe-dcerpcd starting correctly, now seeing:
[2024/06/27 15:11:10.276000, 10, pid=11517, effective(109, 514), real(0, 0)] ../../source3/rpc_client/local_np.c:175(np_sock_connect_connected)
np_sock_connect_connected: async_connect_recv returned Can't assign requested address
[2024/06/27 15:11:10.276000, 10, pid=11517, effective(109, 514), real(0, 0)] ../../source3/rpc_client/local_np.c:695(local_np_connect_connected)
local_np_connect_connected: np_sock_connect failed: Can't assign requested address