Fix autopkgtest to be robust in the face of changed iproute2 output.

debian/changelog

@@ -1,7 +1,11 @@
 freeipa (4.4.4-4) UNRELEASED; urgency=medium
 
+  [ Timo Aaltonen ]
   * fix-opendnssec-setup.diff: Use /usr/sbin prefix for ods binaries.
 
+  [ Steve Langasek ]
+  * Fix autopkgtest to be robust in the face of changed iproute2 output.
+
  -- Timo Aaltonen <tjaalton@debian.org>  Sun, 15 Oct 2017 09:50:35 +0300
 
 freeipa (4.4.4-3) unstable; urgency=medium

debian/tests/server-install

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # hack for lxc
-IP=`ip route get 1.1.1.1 | awk '{print $NF; exit}'`
+IP=`ip route get 1.1.1.1 | sed -n -e's/.*src //; s/ .*//; p; q'`
 HOSTNAME=`cat /etc/hosts| grep '127.0.1.1' | awk '{print $NF; exit}'`
 echo "$IP $HOSTNAME.debci $HOSTNAME" >> /etc/hosts