r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/kernel/config', 0x0, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000040))