socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000400)={<r0=>0xffffffffffffffff})
sendmsg$unix(r0, &(0x7f0000002980)={0x0, 0x0, 0x0, 0x0, &(0x7f0000002900)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}], 0x20}, 0x0)