socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000001000)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000f80)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}], 0x20}}], 0x2, 0x0)