The "cidr_contains6" functions clones the given cidr. The contains4
does not clone the cidr. Both functions do not behave the same.
I see no reason to push the cidr. I think that we get only a negligible
performance gain, but it makes ipv4 and ipv6 equal again.
Signed-off-by: Nick Hainke <vincent@systemli.org>
0fda8049a7