int verbose = va_arg (*args, int);
netmap_main_t *nm = &netmap_main;
netmap_if_t *nif = vec_elt_at_index (nm->interfaces, dev_instance);
- uword indent = format_get_indent (s);
+ u32 indent = format_get_indent (s);
s = format (s, "NETMAP interface");
if (verbose)