socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000003ec0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = getpgrp(0xffffffffffffffff)
sendmmsg$unix(r0, &(0x7f0000004440)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000004080)=[@cred={{0x1c, 0x1, 0x2, {r2, 0x0, 0xee01}}}], 0x20}}], 0x1, 0x0)
recvmmsg$unix(r1, &(0x7f0000003c40)=[{{0x0, 0x0, 0x0}}], 0x1, 0x2, 0x0)