Dear Maintainer, * Network adapter issue https://bugs.debian.org/cgi- bin/bugreport.cgi?bug=992131. Can not know if it is the cause. * journalctl reports the error in title. dmesg reports "ksystemstats[33020]: segfault at 55ef3ffde3c0 ip 000055ef3ffde3c0 sp 00007ffe8b8e71d8 error 15" coredumpctl .zst file is here after you extract attached bz file.