socketpair$unix(0x1, 0x5, 0x0, &(0x7f000000c780)={0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f000001db00)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f000000e040)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}], 0x20}}], 0x2, 0x0)