Allow vtun/gre/egre as encap types.

sql/database-fill.sql

@@ -730,8 +730,7 @@ REPLACE INTO table_regex VALUES ('projects','num_members','int','redirect','defa
 REPLACE INTO table_regex VALUES ('projects','num_pcs','int','redirect','default:int',0,2048,NULL);
 REPLACE INTO table_regex VALUES ('projects','num_pcplab','int','redirect','default:int',0,2048,NULL);
 REPLACE INTO table_regex VALUES ('projects','num_ron','int','redirect','default:int',0,1024,NULL);
-
-REPLACE INTO table_regex VALUES ('experiments','encap_style','text','regex','^(alias|veth|veth-ne|vlan|tunnel|default)$',0,0,NULL);
+REPLACE INTO table_regex VALUES ('experiments','encap_style','text','regex','^(alias|veth|veth-ne|vlan|vtun|egre|gre|default)$',0,0,NULL);
 REPLACE INTO table_regex VALUES ('experiments','veth_encapsulate','int','redirect','default:boolean',0,0,NULL);
 REPLACE INTO table_regex VALUES ('experiments','allowfixnode','int','redirect','default:boolean',0,0,NULL);
 REPLACE INTO table_regex VALUES ('experiments','jail_osname','text','redirect','os_info:osname',0,0,NULL);