Listing the extension using 'iptables -L', there was no space between 'MAC' and the following Address. Reported-by: Adam Wójcik <a.wojcik@xxxxxxxxxxx> Fixes: 1bdb5535f561a ("libxtables: Extend MAC address printing/parsing support") Signed-off-by: Phil Sutter <phil@xxxxxx> --- extensions/libxt_mac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/extensions/libxt_mac.c b/extensions/libxt_mac.c index b90eef207c98e..55891b2be7104 100644 --- a/extensions/libxt_mac.c +++ b/extensions/libxt_mac.c @@ -42,10 +42,10 @@ mac_print(const void *ip, const struct xt_entry_match *match, int numeric) { const struct xt_mac_info *info = (void *)match->data; - printf(" MAC"); + printf(" MAC "); if (info->invert) - printf(" !"); + printf("! "); xtables_print_mac(info->srcaddr); } -- 2.32.0