loxilb ebpf program relies on libbpf 0.8
which does not have loongarch64 support.
backported libbpf 1.2.3 loongarch support
to libbpf 0.8
loxilb 0.9.8 now load ebpf program through
libbpf, no external ntc command required, so
remove ntc
Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>