recvmmsg$unix(0xffffffffffffffff, &(0x7f0000001940)=[{{0x0, 0x0, &(0x7f0000001100)=[{&(0x7f0000000100)=""/4096, 0x1000}], 0x1}}], 0x1, 0x0, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r0=>0xffffffffffffffff})
sendmmsg$unix(r0, &(0x7f0000000c80), 0x80000, 0x0)