socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmmsg$unix(r0, &(0x7f0000000c80), 0x80000, 0x0)
pipe2(&(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff}, 0x0)
sendfile(r2, r1, 0x0, 0x3)