An unset address (local_ip/remote_ip), now denoted by AF_UNSPEC, currently shows "0.0.0.0" in configfs. Print an empty string instead, which is more clear. In netconsole_print_banner() we can be even more explicit about it, as we don't have the risk of userspace trying to parse it. Reviewed-by: Breno Leitao <leitao@debian.org> Signed-off-by: Gustavo Luiz Duarte <gustavold@gmail.com> Link: https://patch.msgid.link/20260903-netcons_ipv6-v4-5-bdd183c844d3@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>