ioctl$TCSETSF2(0xffffffffffffffff, 0x402c542d, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x5, "77004a6efdff00"})
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000700), 0x0, 0x0)
ioctl$TUNSETQUEUE(r0, 0x400454ca, &(0x7f0000000000)={'veth0_vlan\x00'})
ioctl$TUNGETSNDBUF(r0, 0x800454e0, &(0x7f0000000040))