Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up evdi-dkms (1.7.0+dfsg-1ubuntu1) ...
Removing old evdi-1.7.0+dfsg DKMS files...

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Deleting module version: 1.7.0+dfsg
completely from the DKMS tree.
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Done.
Loading new evdi-1.7.0+dfsg DKMS files...
Building for 5.11.0-7612-generic
Building initial module for 5.11.0-7612-generic
ERROR (dkms apport): kernel package linux-headers-5.11.0-7612-generic is not supported
Error! Bad return status for module build on kernel: 5.11.0-7612-generic (x86_64)
Consult /var/lib/dkms/evdi/1.7.0+dfsg/build/make.log for more information.
dpkg: error processing package evdi-dkms (--configure):
 installed evdi-dkms package post-installation script subprocess returned error exit status 10
Errors were encountered while processing:
 evdi-dkms
E: Sub-process /usr/bin/dpkg returned an error code (1)