@@ -542,11 +542,11 @@ function get_default_host_ip {

     local host_ip_iface=$3

     local host_ip=$4

-    # Find the interface used for the default route

-    host_ip_iface=${host_ip_iface:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }' | head -1)}

     # Search for an IP unless an explicit is set by ``HOST_IP`` environment variable

     if [ -z "$host_ip" -o "$host_ip" == "dhcp" ]; then

         host_ip=""

+        # Find the interface used for the default route

+        host_ip_iface=${host_ip_iface:-$(ip route | awk '/default/ {print $5}' | head -1)}

         local host_ips=$(LC_ALL=C ip -f inet addr show ${host_ip_iface} | awk '/inet/ {split($2,parts,"/");  print parts[1]}')

         local ip

         for ip in $host_ips; do