/proc/self/root/proc/self/net
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 /.
Num RefCount Protocol Flags Type St Inode Path0000000000000000: 00000003 00000000 00000000 0001 03 47000000000000000000: 00000003 00000000 00000000 0001 03 47290000000000000000: 00000003 00000000 00000000 0001 03 46990000000000000000: 00000003 00000000 00000000 0001 03 53770000000000000000: 00000003 00000000 00000000 0001 03 47280000000000000000: 00000003 00000000 00000000 0001 03 4736 /tmp/vercel-1595596755.sock