r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
fstat(r0, &(0x7f0000004a40)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setuid(r1)
r2 = socket$nl_netfilter(0x10, 0x3, 0xc)
fstat(r2, &(0x7f0000004a40)={0x0, 0x0, 0x0, 0x0, <r3=>0x0})
ioprio_get$uid(0x3, r3)