pipe(&(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c)
splice(r1, 0x0, r0, 0x0, 0xffffffffffff9697, 0x0)