socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r0, &(0x7f0000000480)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000680)=[{0x10}], 0x10}}], 0x1, 0x0)