Error: (receive-message) Operation not supported: 95

	Call history:

	zmq.scm:335: socket-mutex	  
	zmq.scm:335: srfi-18#mutex-unlock!	  
	<eval>	  (receive-message resp)
	zmq.scm:339: ##sys#get-keyword	  
	zmq.scm:340: socket-mutex	  
	zmq.scm:340: srfi-18#mutex-lock!	  
	zmq.scm:341: socket-message	  
	zmq.scm:341: initialize-message	  
	zmq.scm:344: socket-pointer	  
	zmq.scm:353: socket-mutex	  
	zmq.scm:353: srfi-18#mutex-unlock!	  
	zmq.scm:354: close-message	  
	zmq#g573	  
	zmq.scm:357: zmq-error	  
	zmq.scm:93: ##sys#peek-c-string	  
	zmq.scm:92: chicken.base#error	  	<--