r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000019040)='/proc/mdstat\x00', 0x0, 0x0)
pread64(r0, &(0x7f0000000040)=""/102400, 0x19000, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'vcan0\x00'})
r2 = socket$nl_xfrm(0x10, 0x3, 0x6)
getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000000)={0x0, <r3=>0x0}, &(0x7f0000000040)=0x5)
setuid(r3)
ioctl$TUNSETOWNER(r1, 0x54e3, 0xffffffffffffffff)