This is what I'm using I can connect and disconnect but the command syntax coming out of Pd seems to be incorrect.

#N canvas 293 155 710 697 10;
#X msg 241 186 disconnect;
#X floatatom 303 547 0 0 0 0 - - -;
#X obj 378 555 print;
#X obj 329 128 fudiformat;
#X obj 329 53 symbol on;
#X obj 331 180 t l l;
#X obj 359 218 list length;
#X obj 361 250 - 2;
#X obj 327 299 list split;
#X obj 327 390 list prepend send;
#X obj 325 446 list trim;
#X obj 325 492 netsend -b;
#X obj 325 337 list append 13 10 13 10;
#X obj 390 159 print;
#X msg 329 89 GET /relay/0/?turn=\$1 HTTP/1.0;
#X msg 95 253 connect 192.168.1.123 80;
#X connect 0 0 11 0;
#X connect 3 0 5 0;
#X connect 3 0 13 0;
#X connect 4 0 14 0;
#X connect 5 0 8 0;
#X connect 5 1 6 0;
#X connect 6 0 7 0;
#X connect 8 0 12 0;
#X connect 9 0 10 0;
#X connect 10 0 11 0;
#X connect 11 0 2 0;
#X connect 11 0 1 0;
#X connect 11 1 2 0;
#X connect 12 0 9 0;
#X connect 14 0 3 0;
#X connect 15 0 11 0;