socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup2(r0, r1)
setsockopt$inet6_opts(r2, 0x29, 0x36, 0x0, 0x0)