pktgen accidentally used IN6_ADDR_HSIZE, instead of using the size of an
IPv6 address.
Since IN6_ADDR_HSIZE recently was increased from 16 to 256, this old
bug is hitting us.
Fixes: a6b356d487e8 ("ipv6: addrconf: add per netns perturbation in inet6_addr_hash()") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>