socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
dup2(r0, r1)
pipe(&(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r1, 0x0, r2, 0x0, 0x3, 0xb)