socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
setsockopt$SO_TIMESTAMP(r0, 0x1, 0x1d, &(0x7f00000004c0)=0x18, 0x4)
sendmmsg$unix(r1, &(0x7f0000003d80)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0)