Jun 7 09:44:11 sobnology smbd[2595]: [2022/06/07 09:44:11.445928, 0] ../../source3/smbd/service.c:787(make_connection_snum)
Jun 7 09:44:11 sobnology smbd[2595]: make_connection_snum: canonicalize_connect_path failed for service Backup, path /mnt/user/Backup
Jun 7 09:44:11 sobnology smbd[2595]: [2022/06/07 09:44:11.446657, 0] ../../source3/smbd/service.c:787(make_connection_snum)
Jun 7 09:44:11 sobnology smbd[2595]: make_connection_snum: canonicalize_connect_path failed for service Downloads, path /mnt/user/Downloads
I assume these are the two shares you lost access? I see the errors but not the reason for them.
There's also still a lot of docker related log spam, you might want to try and find which docker is constantly doing this:
Jun 7 09:49:43 sobnology kernel: docker0: port 1(veth85c9d7c) entered blocking state
Jun 7 09:49:43 sobnology kernel: docker0: port 1(veth85c9d7c) entered disabled state
Jun 7 09:49:43 sobnology kernel: device veth85c9d7c entered promiscuous mode
Jun 7 09:49:43 sobnology kernel: docker0: port 1(veth85c9d7c) entered blocking state
Jun 7 09:49:43 sobnology kernel: docker0: port 1(veth85c9d7c) entered forwarding state
Jun 7 09:49:43 sobnology kernel: docker0: port 1(veth85c9d7c) entered disabled state
Jun 7 09:49:44 sobnology kernel: eth0: renamed from veth84f21e4