diff -Nru libnet-traceroute-perl-1.15/debian/changelog libnet-traceroute-perl-1.15/debian/changelog
--- libnet-traceroute-perl-1.15/debian/changelog	2021-01-19 15:57:34.000000000 +0000
+++ libnet-traceroute-perl-1.15/debian/changelog	2021-12-24 00:28:46.000000000 +0000
@@ -1,3 +1,14 @@
+libnet-traceroute-perl (1.15-3) unstable; urgency=medium
+
+  * Update fragile-tests.patch.
+    Traceroute 127.0.0.1 instead of the hostname, as the latter might not be
+    in /etc/hosts.
+    Thanks to Lucas Nussbaum for the bug report and help in analyzing.
+    (Closes: #1002229)
+  * Declare compliance with Debian Policy 4.6.0.
+
+ -- gregor herrmann <gregoa@debian.org>  Fri, 24 Dec 2021 01:28:46 +0100
+
 libnet-traceroute-perl (1.15-2) unstable; urgency=medium
 
   [ Salvatore Bonaccorso ]
diff -Nru libnet-traceroute-perl-1.15/debian/control libnet-traceroute-perl-1.15/debian/control
--- libnet-traceroute-perl-1.15/debian/control	2021-01-19 15:57:34.000000000 +0000
+++ libnet-traceroute-perl-1.15/debian/control	2021-12-24 00:28:46.000000000 +0000
@@ -7,7 +7,7 @@
 Build-Depends: debhelper-compat (= 13)
 Build-Depends-Indep: perl,
                      traceroute <!nocheck>
-Standards-Version: 4.5.1
+Standards-Version: 4.6.0
 Vcs-Browser: https://salsa.debian.org/perl-team/modules/packages/libnet-traceroute-perl
 Vcs-Git: https://salsa.debian.org/perl-team/modules/packages/libnet-traceroute-perl.git
 Homepage: https://metacpan.org/release/Net-Traceroute
diff -Nru libnet-traceroute-perl-1.15/debian/patches/fragile-tests.patch libnet-traceroute-perl-1.15/debian/patches/fragile-tests.patch
--- libnet-traceroute-perl-1.15/debian/patches/fragile-tests.patch	2021-01-19 15:57:34.000000000 +0000
+++ libnet-traceroute-perl-1.15/debian/patches/fragile-tests.patch	2021-12-24 00:28:46.000000000 +0000
@@ -1,17 +1,30 @@
 Description: mark tests as TODO
  They can fail under several circumstances, eg.
  more than one IPv4 address; no IPv4 address; no network access except localhost.
+ .
+ Additionally, traceroute to 127.0.0.1 instead of the hostname, as the
+ latter might not be in /etc/hosts.
 Origin: vendor
+Bug: https://rt.cpan.org/Ticket/Display.html?id=134067
 Bug-Debian: https://bugs.debian.org/849933
  https://bugs.debian.org/980475
-Author: gregor herrmann <gregoa@debian.org>
-Last-Update: 2021-01-19
+ https://bugs.debian.org/1002229
 Forwarded: https://rt.cpan.org/Ticket/Display.html?id=134067
-Bug: https://rt.cpan.org/Ticket/Display.html?id=134067
+Author: gregor herrmann <gregoa@debian.org>
+Last-Update: 2021-12-24
 
 --- a/t/95-sys-traceroute.t
 +++ b/t/95-sys-traceroute.t
-@@ -68,5 +68,10 @@
+@@ -52,6 +52,8 @@
+ # Get this sytem's hostname, and traceroute to it.  Don't bother
+ # trying localhost; its quirky on systems like netbsd.
+ my $name = hostname();
++# Use 127.0.0.1, the hostname might not be in /etc/hosts; cf. #1002229
++$name = '127.0.0.1';
+ 
+ # Wrinkle: while our specification is that we will use whatever
+ # traceroute is in path, it's pretty common for testing to be done
+@@ -68,5 +70,10 @@
  my $packed_addr = inet_aton($name);
  my $addr = inet_ntoa($packed_addr);