/etc/vde2/libvdemgmt/asyncrecv.rc is in libvde0 2.3.2+r586-2.1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | TIMEOUT 1000
1 IN '\n' 100
2 IF '30' 10
3 GOTO 100
10 COPY
11 SKIP 2
12 RVATOI 8
13 EXITRV
100 EXIT -1
|