Correction for the fix for Bug 3508 - Persistent storage support breaks Linux compatibility.
A 2nd `make install' will fail attempting to create symlink libnvmemmory.so already created by 1st install.
Install should pre-emptively delete it.
#define CTL_CMD 0
#define CTL_EXEC 1
#define CTL_ALIAS 2
#define CTL_DNS 3
#define CTL_SPECIAL "10.0.2.0"
#define CTL_LOCAL "10.0.2.15"