socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg(r0, &(0x7f0000001580)=[{{0x0, 0x0, &(0x7f0000001280)=[{0x0}, {0x0}, {&(0x7f0000001140)="dc", 0x1}], 0x3}}], 0x1, 0x0)