Setting up virtualbox-dkms (5.2.10-dfsg-2) ...
Removing old virtualbox-5.2.10 DKMS files...

-------- Uninstall Beginning --------
Module:  virtualbox
Version: 5.2.10
Kernel:  4.15.0-15-generic (x86_64)
-------------------------------------

Status: This module version was INACTIVE for this kernel.
depmod...

DKMS: uninstall completed.

------------------------------
Deleting module version: 5.2.10
completely from the DKMS tree.
------------------------------
Done.
Loading new virtualbox-5.2.10 DKMS files...
Building for 4.15.0-15-generic
Building initial module for 4.15.0-15-generic
Done.
At main.c:281:
- SSL error:02001002:system library:fopen:No such file or directory: ../crypto/bio/bss_file.c:74
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: ../crypto/bio/bss_file.c:81
kmodsign: /var/lib/dkms/virtualbox/5.2.10/4.15.0-15-generic/x86_64/module/virtualbox.ko: No such file or directory
dpkg: error processing package virtualbox-dkms (--configure):
 installed virtualbox-dkms package post-installation script subprocess returned error exit status 1