openat$thread_pidfd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
openat$full(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000018c0)={'batadv_slave_1\x00'})