+ /*
+ * Pull failnid info out of params string, which may contain something
+ * like "<nid1>,<nid2>:<nid3>,<nid4>". class_parse_nid() does not
+ * complain about abnormal inputs like ",:<nid1>", "<nid1>:,<nid2>",
+ * etc. However, convert_hostnames() should have caught those.
+ */