socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmmsg$unix(r0, &(0x7f0000004800)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0)
dup2(r0, r1)