socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
dup3(r0, r1, 0x0)
recvmmsg(r0, &(0x7f0000000e80)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0)
sendmmsg$unix(r0, &(0x7f0000004240)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0)