Never use globally-routable IPs we don't own

fd46::/64 is a randomly chosen value within fc00::/16

/reviewed-on !54

playbook/roles/slapos-proxy/tasks/main.yml

@@ -49,7 +49,7 @@
     wait_for: host=127.0.0.1 port=8080 delay=10
 
   - name: Add ipv6 to lo interface
-    shell: ip -6 addr add 2001::1/64 dev lo
+    shell: ip -6 addr add fd46::1/64 dev lo
     ignore_errors: True
 
   - name: Run slapos format for initial bootstrap

repo/centos-7.4/erp5-standalone-offline/install.sh

@@ -63,7 +63,7 @@ echo -n "Bootstraping the system..."
 
 yum remove -y firewalld >> $LOG_FILE 2>&1
 yum install -y slapos.node*rpm >> $LOG_FILE 2>&1
-ip -6 addr add 2001::1/64 dev lo >> $LOG_FILE 2>&1
+ip -6 addr add fd46::1/64 dev lo >> $LOG_FILE 2>&1
 mkdir -p /opt/slapgrid /srv/slapgrid >> $LOG_FILE 2>&1
 slapos configure local >> $LOG_FILE 2>&1
 pgrep -f 'slapos proxy' >/dev/null || (