socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendto$unix(r1, &(0x7f0000000000)="90", 0x1, 0x0, 0x0, 0x0)
recvmmsg(r1, &(0x7f0000007840)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0)
r2 = eventfd2(0x0, 0x0)
dup2(r2, r0)