anchor.diff:  api_b_sendmsg_and_recvmsg_tcpL(_Config) when is_list(_Config) ->
       ?TT(?SECS(10)),
       tc_try(api_b_sendmsg_and_recvmsg_tcpL,
  -           fun() -> supports_unix_domain_socket() end,
  +           fun() -> has_support_unix_domain_socket() end,
              fun() ->
                      Send = fun(Sock, Data) ->
                                     MsgHdr = #{iov => [Data]},
  
positive.code: api_b_send_and_recv_tcpL(_Config) when is_list(_Config) ->
      ?TT(?SECS(10)),
      tc_try(api_b_send_and_recv_tcpL,
             fun() -> supports_unix_domain_socket() end,
             fun() ->
                     Send = fun(Sock, Data) ->
                                    socket:send(Sock, Data)
  
negative.code: sc_cpe_socket_cleanup_udp4(doc) ->
      [];
  sc_cpe_socket_cleanup_udp4(_Config) when is_list(_Config) ->
      ?TT(?SECS(5)),
      tc_try(sc_cpe_socket_cleanup_udp4,
             fun() ->
                     InitState = #{domain   => inet,
                                   type     => dgram,
                                   protocol => udp},
  