conf_nat() takes a parameter @arg for the argument it's parsing. However on error we print instead optarg, the getopt() global. This happens to be the same thing at the time of the call, but it's not the right way to get to it. Signed-off-by: David Gibson --- conf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/conf.c b/conf.c index 4755a9f4..6ab8efec 100644 --- a/conf.c +++ b/conf.c @@ -1049,7 +1049,7 @@ static void conf_nat(const char *arg, struct in_addr *addr4, !IN4_IS_ADDR_MULTICAST(addr4)) return; - die("Invalid address to remap to host: %s", optarg); + die("Invalid address to remap to host: %s", arg); } /** -- 2.54.0