append fixes

templates/etc/network/interfaces.d/60-floating-ip.cfg.j2

@@ -1,11 +1,11 @@
 {% for config in floating_ips %}
-{%if 'ipv4' in config % }
+{%if 'ipv4' in config %}
 auto eth0:{{ loop.index }}
 iface eth0:{{ loop.index }} inet static
     address {{ config.ipv4 }}
     netmask 32
 {% endif %}
-{%if 'ipv6' in config % }
+{%if 'ipv6' in config %}
 auto eth0:{{ loop.index }}
 iface eth0:{{ loop.index }} inet6 static
     address {{ config.ipv6 }}