Comment 0 for bug 1423020

Unstacking with the stack.sh script then running stack.sh again will throw an error if a route already exists for the $FIXED_RANGE

++ grep router_gateway
++ neutron port-list -c fixed_ips -c device_owner
+ ROUTER_GW_IP=172.18.161.250
+ die_if_not_set 1212 ROUTER_GW_IP 'Failure retrieving ROUTER_GW_IP'
+ local exitcode=0
++ grep xtrace
++ set +o
+ local 'xtrace=set -o xtrace'
+ set +o xtrace
+ sudo route add -net 10.0.0.0/24 gw 172.18.161.250
SIOCADDRT: File exists
+ exit_trap
+ local r=7
++ jobs -p
+ jobs=
+ [[ -n '' ]]
+ kill_spinner
+ '[' '!' -z '' ']'
+ [[ 7 -ne 0 ]]
+ echo 'Error on exit'
Error on exit
+ [[ -z /opt/stack/logs ]]
+ /home/stack/devstack/tools/worlddump.py -d /opt/stack/logs
World dumping... see /opt/stack/logs/worlddump-2015-02-17-233020.txt for details
+ exit 7