r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
preadv2(r0, &(0x7f00000013c0)=[{&(0x7f0000000000)=""/8, 0x8}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9, 0x0, 0x0, 0x0)