pipe(&(0x7f0000000580)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
fcntl$setstatus(r1, 0x4, 0xc00)
connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x1c)
sendmsg$inet6(r1, &(0x7f00000006c0)={0x0, 0x0, 0x0}, 0x0)
splice(r1, 0x0, r0, 0x0, 0x1, 0x0)