socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
sendmmsg$unix(r0, &(0x7f0000001d40)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000001d00)=[@cred={{0x1c}}], 0x20}}], 0x2, 0x0)