nfs4_tag_str
time, nfs4_tag_str(re->re_tag1), re->re_char1, re->re_rp1,
re->re_seqid2, nfs4_tag_str(re->re_tag2));
"%u for operation %s.", nfs4_tag_str(ep->re_tag1), char1p,
nfs4_tag_str(ep->re_tag2));