/proc/4/task/9/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 /.
sk Eth Pid Groups Rmem Wmem Dump Locks Drops Inode0000000000000000 0 0 00000000 0 0 0 2 0 4544 0000000000000000 4 0 00000000 0 0 0 2 0 4552 0000000000000000 6 0 00000000 0 0 0 2 0 4554 0000000000000000 9 0 00000000 0 0 0 2 0 4546 0000000000000000 10 0 00000000 0 0 0 2 0 4548 0000000000000000 12 0 00000000 0 0 0 2 0 4553 0000000000000000 15 0 00000000 0 0 0 2 0 4547 0000000000000000 16 0 00000000 0 0 0 2 0 4545