socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000008cc0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) recvmmsg$unix(r1, &(0x7f000000cfc0)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x2, 0x40000022, 0x0)