FRA_TUN_ID is a 64 big endian integer. Fix the policy.
FRA_TUN_ID is unused by networkd, hence I think this bug
has no actual consequences.
Fixes: bce67bbee359eec19e6778619b6651100a1c1477
[FRA_PRIORITY] = { .type = NETLINK_TYPE_U32 },
[FRA_FWMARK] = { .type = NETLINK_TYPE_U32 },
[FRA_FLOW] = { .type = NETLINK_TYPE_U32 },
- [FRA_TUN_ID] = { .type = NETLINK_TYPE_U32 },
+ [FRA_TUN_ID] = { .type = NETLINK_TYPE_U64 },
[FRA_SUPPRESS_IFGROUP] = { .type = NETLINK_TYPE_U32 },
[FRA_SUPPRESS_PREFIXLEN] = { .type = NETLINK_TYPE_U32 },
[FRA_TABLE] = { .type = NETLINK_TYPE_U32 },