62 	return "<unknown>";  in pdelay_req2str()
78 	return "<unknown>";  in pdelay_resp2str()
92 	return "<unknown>";  in sync_rcv2str()
106 	return "<unknown>";  in sync_send2str()
118 	return "<unknown>";  in pss_rcv2str()
134 	return "<unknown>";  in pss_send2str()
146 	return "<unknown>";  in pa_rcv2str()
172 	return "<unknown>";  in pa_info2str()
188 	return "<unknown>";  in pa_transmit2str()
200 	return "<unknown>";  in site_sync2str()
212 	return "<unknown>";  in clk_slave2str()
224 	return "<unknown>";  in pr_selection2str()
238 	return "<unknown>";  in cms_rcv2str()
268 	return "<unknown>";  in selected_role_str()