anchor.diff:      i("traffic_snr_tcp_client_close -> entry"),
       case socket:close(Sock) of
           ok ->
  -            unlink_socket(Path),
  +            unlink_path(Path),
               ok;
           {error, Reason} ->
               ?SEV_EPRINT("failed closing: "
                           "~n   Reason: ~p", [Reason]),
  -            unlink_socket(Path),
  +            unlink_path(Path),
               {error, {close, Reason}}
       end.
   
  
positive.code:      traffic_ping_pong_medium_send_and_recv_tcpL,
       traffic_ping_pong_large_send_and_recv_tcp4,
       traffic_ping_pong_large_send_and_recv_tcp6,
       traffic_ping_pong_large_send_and_recv_tcpL,
  
       traffic_ping_pong_small_sendto_and_recvfrom_udp4,
       traffic_ping_pong_small_sendto_and_recvfrom_udp6,
       traffic_ping_pong_small_sendto_and_recvfrom_udpL,
       traffic_ping_pong_medium_sendto_and_recvfrom_udp4,
       traffic_ping_pong_medium_sendto_and_recvfrom_udp6,
       traffic_ping_pong_medium_sendto_and_recvfrom_udpL,
  
       traffic_ping_pong_small_sendmsg_and_recvmsg_tcp4,
       traffic_ping_pong_small_sendmsg_and_recvmsg_tcp6,
       traffic_ping_pong_small_sendmsg_and_recvmsg_tcpL,
  
negative.code:                          local_sa := #{path := Path}} = State) ->
                             ok = socket:close(Sock),
                             State1 =
                                 unlink_path(Path,
                                             fun() ->
                                                     maps:remove(local_sa, State)
                                             end,
                                             fun() -> State end),
                             {ok, maps:remove(lsock, State1)};
                        (#{lsock := LSock} = State) ->
                             case socket:close(LSock) of
  