问题：版本不支持

#tc filter add dev veth100 ingress bpf da obj proxy.o sec tc
No ELF library support compiled in.

解决：

# 安装libbpf：
git clone https://github.com/libbpf/libbpf
cd libbpf/src
make
make install

# 下载iproute2
git clone git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/iproute2.git
./configure --libbpf_force=on
make
make install