/proc/self/root/proc/2/root/proc/self/root/proc/2
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
11:pids:/10:cpuset:/9:freezer:/8:blkio:/7:devices:/6:memory:/5:perf_event:/4:cpu,cpuacct:/3:net_cls,net_prio:/2:hugetlb:/1:name=systemd:/