It fails inside a Debian sbuild chroot.
--- /dev/null
- f36102cf4af82593dd08c28de140863868b98b2b
- f36102cf4af82593dd08c28de140863868b98b2b
+# see git-dpm(1) from git-dpm package
++50583dfa0a2d83a65848bf93c39f14fe3bcf7d10
++50583dfa0a2d83a65848bf93c39f14fe3bcf7d10
+511a2cebd6df0f71ec24b5939564fb58726ead84
+511a2cebd6df0f71ec24b5939564fb58726ead84
+emacs_26.1+1.orig.tar.xz
+9318da32923e8a4a17ee23113302ff509c0d4056
+24259708
--- /dev/null
--- /dev/null
++From 50583dfa0a2d83a65848bf93c39f14fe3bcf7d10 Mon Sep 17 00:00:00 2001
++From: Rob Browning <rlb@defaultvalue.org>
++Date: Mon, 17 Dec 2018 15:27:30 -0600
++Subject: Mark echo-server-with-dns test as :unstable for now
++
++It fails inside a Debian sbuild chroot.
++---
++ test/lisp/net/network-stream-tests.el | 1 +
++ 1 file changed, 1 insertion(+)
++
++diff --git a/test/lisp/net/network-stream-tests.el b/test/lisp/net/network-stream-tests.el
++index ddb8f9ea6f5..42515025df8 100644
++--- a/test/lisp/net/network-stream-tests.el
+++++ b/test/lisp/net/network-stream-tests.el
++@@ -100,6 +100,7 @@ server-process-filter
++ ))))
++
++ (ert-deftest echo-server-with-dns ()
+++ :tags '(:unstable) ;; This doesn't work in an sbuild chroot (at least)
++ (let* ((server (make-server (system-name)))
++ (port (aref (process-contact server :local) 4))
++ (proc (make-network-process :name "foo"
--- /dev/null
+0001-Prefer-usr-share-info-emacs.patch
+0002-Run-debian-startup-and-set-debian-emacs-flavor.patch
+0003-Remove-files-that-appear-to-be-incompatible-with-the.patch
+0004-Adjust-documentation-references-for-Debian.patch
+0005-Modify-the-output-of-version-to-indicate-Debian-modi.patch
+0006-Don-t-try-to-build-src-macuvs.h-via-IVD_Sequences.tx.patch
+0007-Kill-gpg-agent-in-package-test.el-to-avoid-a-race.patch
+0008-Don-t-downcase-real-xref-in-elisp-mode-tests.patch
+0009-An-epg-test-failure-with-recent-GnuPG-versions-has-b.patch
+0010-Mark-vc-bzr-test-fauilt-bzr-autoloads-as-unstable-fo.patch
+0011-tramp-test42-remote-load-path-regexp-quote-directory.patch
+0012-ibuffer-filter-inclusion-3-regexp-quote-directory.patch
++0013-Mark-echo-server-with-dns-test-as-unstable-for-now.patch