pipe2(&(0x7f0000000480)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
pipe2(&(0x7f0000000480)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x0)
tee(r1, r0, 0x800, 0x0)
dup3(r0, r2, 0x0)