Voici le résutlat de tes commandes :
$ uname -a
Linux pbsup 5.8.0-38-generic #43~20.04.1-Ubuntu SMP Tue Jan 12 16:39:47 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
$ apt list --installed | grep linux-headers
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
linux-headers-5.4.0-59-generic/focal-updates,focal-security,now 5.4.0-59.65 amd64 [installé, automatique]
linux-headers-5.4.0-59/focal-updates,focal-updates,focal-security,focal-security,now 5.4.0-59.65 all [installé, automatique]
linux-headers-5.8.0-36-generic/focal-updates,focal-security,now 5.8.0-36.40~20.04.1 amd64 [installé, automatique]
linux-headers-5.8.0-38-generic/focal-updates,focal-security,now 5.8.0-38.43~20.04.1 amd64 [installé, automatique]
linux-headers-generic-hwe-20.04/focal-updates,focal-security,now 5.8.0.38.43~20.04.23 amd64 [installé, automatique]
Si je comprends bien je vais devoir virer le HWE.