vrf_fib_rule
err = vrf_fib_rule(dev, AF_INET, true);
err = vrf_fib_rule(dev, AF_INET6, true);
err = vrf_fib_rule(dev, RTNL_FAMILY_IPMR, true);
err = vrf_fib_rule(dev, RTNL_FAMILY_IP6MR, true);
vrf_fib_rule(dev, RTNL_FAMILY_IPMR, false);
vrf_fib_rule(dev, AF_INET6, false);
vrf_fib_rule(dev, AF_INET, false);