socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendto$unix(r0, &(0x7f00000000c0)="e4", 0x1, 0x0, 0x0, 0x0)
r2 = dup(r1)
setsockopt$sock_int(r2, 0x1, 0x22, &(0x7f0000000200)=0x81, 0x4)
r3 = dup2(r1, r1)
recvmmsg$unix(r3, &(0x7f0000002580)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0)