166 		error(1, errno, "Failed to sendmsg");  in do_send()
196 		error(1, errno, "Failed to recvmsg");  in do_recv()
198 		error(1, 0, "Only received %d bytes of payload.", r);  in do_recv()
201 		error(1, 0, "Message was truncated.");  in do_recv()
206 			error(1, 0, "Unexpected cmsg_level %d",  in do_recv()
219 				error(0, 0, "ts[1] should not be set.");  in do_recv()
223 			error(1, 0, "Unexpected cmsg_type %d", cmsg->cmsg_type);  in do_recv()
231 				error(0, 0, "Expected " #field " to be set."); \  in do_recv()
233 				error(0, 0, \  in do_recv()
255 		error(1, errno, "Failed to enable SO_REUSEADDR");  in config_so_flags()
260 		error(1, errno, "Failed to enable SO_TIMESTAMP");  in config_so_flags()
265 		error(1, errno, "Failed to enable SO_TIMESTAMPNS");  in config_so_flags()
270 		error(1, errno, "Failed to set SO_TIMESTAMPING");  in config_so_flags()
283 		error(1, errno, "Failed to open src socket");  in run_test_case()
287 		error(1, errno, "Failed to open dst socket");  in run_test_case()
295 		error(1, errno, "Failed to bind to port %d", port);  in run_test_case()
298 		error(1, errno, "Failed to listen");  in run_test_case()
301 		error(1, errno, "Failed to connect");  in run_test_case()
306 			error(1, errno, "Failed to accept");  in run_test_case()
346 				error(1, 0, "Invalid test case: %d", t);  in main()
366 			error(1, 0, "Failed to parse parameters.");  in main()