write$tun(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB="00001e74408d0000a6e834b50f474f6edaeb1ffffbffffcf5ad74457b1ff00000000645f0ae3094e59de248083126a96ca3df71d5881ad0bfee32de576970308a41f0dd6c2cf47288f8895dca6e8681f1f"], 0x52)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'netdevsim0\x00'})
ioctl$TUNGETVNETHDRSZ(r0, 0x400454e2, &(0x7f0000000080))