fib6_nh_mtu_change 4827 net/ipv6/route.c return nexthop_for_each_fib6_nh(f6i->nh, fib6_nh_mtu_change, fib6_nh_mtu_change 4831 net/ipv6/route.c return fib6_nh_mtu_change(f6i->fib6_nh, arg);