netfilter: Use nf_ct_net instead of dev_net(out) in nf_nat_masquerade_ipv6
netfilter: Use nf_ct_net instead of dev_net(out) in nf_nat_masquerade_ipv6

Use nf_ct_net(ct) instead of guessing that the netdevice out can
reliably report the network namespace the conntrack operation is
happening in.

Signed-off-by: "Eric W. Biederman" <8a741aa8cbd77ebc4a56ddb528ce9fd15d42f034@xmission.com>
Signed-off-by: Pablo Neira Ayuso <707d14912bb250caf67dfe0ea4035681fbfc4f56@netfilter.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs