#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <linux/sched.h>
#include <linux/sockios.h>

int main() {
    if (unshare(CLONE_NEWNET)) {
        perror("unshare");
        return -1;
    }

    int fd = socket(AF_INET, SOCK_DGRAM, 0);
    if (fd < 0) {
        perror("socket");
        return -1;
    }

    const char *name = "lobridge";
    if (ioctl(fd, SIOCBRADDBR, name) < 0) {
        perror("ioctl SIOCBRADDBR");
        return -1;
    }

    system("ip addr");
    for (;;) {
        printf("still running\n");
        sleep(5);
    }
}