socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0x4811)
recvfrom(r0, 0x0, 0x0, 0x0, 0x0, 0x0)