pipe(&(0x7f00000000c0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
vmsplice(r1, &(0x7f0000000180)=[{&(0x7f00000003c0)="b4", 0x1}, {&(0x7f00000012c0)="10", 0x1}], 0x2, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r0, 0x0, r2, 0x0, 0x802, 0x0)