Interleaving issue

[Robert J. Hansen]

This is a bit odd:

=====
quorra:~ rjh$ gpg --check-sig b44427c7
pub   rsa3072/1DCBDC01B44427C7 2015-07-16 [SC]
      CC11BE7CBBED77B120F37B011DCBDC01B44427C7
uid                 [ultimate] Robert J. Hansen <rjh at sixdemonbag.org>
sig!3        1DCBDC01B44427C7 2016-07-02  Robert J. Hansen
<rjh at sixdemonbag.org>
sig!         23806BE5D6B98E10 2015-07-16  Robert J. Hansen
<rob at enigmail.net>
sig!3        D037CE8EEFA13249 2015-07-17  Phil Stracchino
<phils at caerllewys.net>
sig!3        DB1187B9DD5F693B 2015-07-18  Patrick Brunschwig
<patrick at enigmail.net>
sig!3        1DCBDC01B44427C7 2015-07-16  Robert J. Hansen
<rjh at sixdemonbag.org>
sig!3        4D1E900E14C1CC04 2017-02-18  Phil Pennock
<phil.pennock at spodhuis.org>
uid                 [ultimate] Robert J. Hansen <rob at hansen.engineering>
sig!3        1DCBDC01B44427C7 2016-07-02  Robert J. Hansen
<rjh at sixdemonbag.org>
sig!3        4D1E900E14C1CC04 2017-02-18  Phil Pennock
<phil.pennock at spodhuis.org>
uid                 [ultimate] Robert J. Hansen <rob at enigmail.net>
sig!3        1DCBDC01B44427C7 2015-07-16  Robert J. Hansen <rjh at sixdgpg:
14 good signatures
emonbag.org>
sig!         23806BE5D6B98E10 2015-07-16  Robert J. Hansen
<rob at enigmail.net>
sig!3        D037CE8EEFA13249 2015-07-17  Phil Stracchino
<phils at caerllewys.net>
sig!3        DB1187B9DD5F693B 2015-07-18  Patrick Brunschwig
<patrick at enigmail.net>
sig!3        4D1E900E14C1CC04 2017-02-18  Phil Pennock
<phil.pennock at spodhuis.org>
sub   rsa3072/DC0F82625FA6AADE 2015-07-16 [E]
sig!         1DCBDC01B44427C7 2015-07-16  Robert J. Hansen
<rjh at sixdemonbag.org>
=====

Let me draw attention to:

=====
quorra:~ rjh$ gpg --check-sig b44427c7
...
sig!3        1DCBDC01B44427C7 2015-07-16  Robert J. Hansen <rjh at sixdgpg:
14 good signatures
emonbag.org>
...
=====

It would appear GnuPG is interleaving outputs.  This is on a macOS
Sierra system with GnuPG 2.1.19.  It's reproducible, too.