ip6_tnl_change_mtu
int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu);
.ndo_change_mtu = ip6_tnl_change_mtu,
.ndo_change_mtu = ip6_tnl_change_mtu,
.ndo_change_mtu = ip6_tnl_change_mtu,
ip6_tnl_change_mtu(dev, nla_get_u32(tb[IFLA_MTU]));
EXPORT_SYMBOL(ip6_tnl_change_mtu);
.ndo_change_mtu = ip6_tnl_change_mtu,
ip6_tnl_change_mtu(dev, nla_get_u32(tb[IFLA_MTU]));