Make get_ips timeout poll configurable

src/lxc/lxc-start-ephemeral.in

@@ -273,7 +273,7 @@ if not args.command and not args.daemon:
     sys.exit(0)
 
 # Try to get the IP addresses
-ips = dest.get_ips(timeout=5)
+ips = dest.get_ips(timeout=10)
 
 # Deal with the case where we just print info about the container
 if args.daemon:

src/python-lxc/lxc/__init__.py

@@ -369,6 +369,7 @@ class Container(_lxc.Container):
             kwargs['scope'] = scope
 
         ips = None
+        timeout = int(os.environ.get('LXC_GETIP_TIMEOUT', timeout))
 
         while not ips:
             ips = _lxc.Container.get_ips(self, **kwargs)