Antoine:
> On Monday, 3 January at 18:25, karl@??? wrote:
...

> >$ ldd /sbin/init | grep /usr
> >        libpcre2-8.so.0 => /usr/lib/x86_64-linux-gnu/libpcre2-8.so.0 (0x00007f737ba28000)

...
> Maybe your /etc/ld.so.cache is misconfigured?
...

What makes you believe that ?

ld.so.cache is just fine, the problem is that the lib is on a
filesystem that isn't available at kernel to init handover time.
If I move over the lib to the root fs, then there is no problem
other than that apt/dpkg et al. don't know about it.

Regards,
/Karl Hammar