运行的linux-bpf-learning/bpf/bpf-maps/examples-in-kernel/xdp_ip_tracker_kern.c，正常clang编译完成之后，加载在网卡上出现的错误，系统环境是linux，版本是Linux ubuntu 4.15.0-29-generic #31-Ubuntu SMP UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
运行的linux-bpf-learning/bpf/bpf-maps/examples-in-kernel/xdp_ip_tracker_kern.c，正常clang编译完成之后，加载在网卡上出现的错误，系统环境是linux，版本是Linux ubuntu 4.15.0-29-generic #31-Ubuntu SMP UTC 2018 x86_64 x86_64 x86_64 GNU/Linux