check_SET_IPV4_DST(const struct ofpact_ipv4 *a OVS_UNUSED,
                   struct ofpact_check_params *cp)
{
    return check_set_ipv4(cp);
}
check_SET_IPV4_DST(const struct ofpact_ipv4 *a OVS_UNUSED,
                   struct ofpact_check_params *cp)
{
    return check_set_ipv4(cp);
}