Change Details

Consistently use `nh` instead of always dereferencing ro->ro_nh inside the if block. Always use nexthop mtu, as it provides guarantee that mtu is accurate. Pass `nh` pointer to rt_update_ro_flags() to allow upcoming uses of updating ro flags based on different nexthop. MFC after: 2 weeks

* Consistently use `nh` instead of always dereferencing ro->ro_nh inside the if block. * Always use nexthop mtu, as it provides guarantee that mtu is accurate. * Pass `nh` pointer to rt_update_ro_flags() to allow upcoming uses of updating ro flags based on different nexthop.

* Consistently use `nh` instead of always dereferencing ro->ro_nh inside the if block. * Always use nexthop mtu, ro->ro_nh insidas it provides guarantee the if blockat mtu is accurate. Always use nexthop mtu, as it provides guarantee that mtu is accurate* Pass `nh` pointer to rt_update_ro_flags() to allow upcoming uses of updating ro flags based on different nexthop. Pass `nh` pointer to rt_update_ro_flags() to allow upcoming uses of updating ro flags based on different nexthop. MFC after: 2 weeks