iptables: improve error reporting with extension loading troubles

ip6tables v1.4.8: Could not load match "osf":
/usr/lib/xtables/libip6t_osf.so: cannot open shared object file: No
such file or directory

Given that libxt_osf.so exists, a better error is now emitted.

References: http://bugzilla.netfilter.org/show_bug.cgi?id=637
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
1 file changed