socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x0) r3 = dup(r2) sendmmsg$unix(r3, &(0x7f00000021c0)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000002180)=[@rights={{0x14, 0x1, 0x1, [r0]}}], 0x18}}], 0x1, 0xc040)