The container is running but TRAMP is not able to connect to it, not sure why.

/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf/neo4j.conf

Debugger entered--Lisp error: (file-error "Tramp failed to connect.  If this happens repeated...")
  signal(file-error ("Tramp failed to connect.  If this happens repeated..."))
  tramp-error(nil file-error "Tramp failed to connect.  If this happens repeated...")
  tramp-signal-hook-function(file-error ("Tramp failed to connect.  If this happens repeated..."))
  signal(file-error ("Tramp failed to connect.  If this happens repeated..."))
  tramp-maybe-open-connection((tramp-file-name "lxc" nil nil "aws-t2-nano-neo4j" nil "/neo4j-community-3.1.1/conf/neo4j.conf" nil))
  tramp-send-command((tramp-file-name "lxc" nil nil "aws-t2-nano-neo4j" nil "/neo4j-community-3.1.1/conf/neo4j.conf" nil) "test 0 2>/dev/null; echo tramp_exit_status $?")
  tramp-send-command-and-check((tramp-file-name "lxc" nil nil "aws-t2-nano-neo4j" nil "/neo4j-community-3.1.1/conf/neo4j.conf" nil) "test 0")
  tramp-get-test-command((tramp-file-name "lxc" nil nil "aws-t2-nano-neo4j" nil "/neo4j-community-3.1.1/conf/neo4j.conf" nil))
  tramp-run-test("-d" "/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf...")
  tramp-sh-handle-file-directory-p("/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf...")
  tramp-sh-file-name-handler(file-directory-p "/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf...")
  apply(tramp-sh-file-name-handler file-directory-p "/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf...")
  tramp-file-name-handler(file-directory-p "/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf...")
  file-directory-p("/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf...")
  find-file-noselect("/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf..." nil nil nil)
  find-file("/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf...")
  counsel-find-file-action("/lxc:aws-t2-nano-neo4j:/neo4j-community-3.1.1/conf...")
  ivy-call()
  ivy-read("Find file: " read-file-name-internal :matcher counsel--find-file-matcher :initial-input nil :action counsel-find-file-action :preselect nil :require-match confirm-after-completion :history file-name-history :keymap (keymap (remap keymap (undo . counsel-find-file-undo)) (67108960 lambda (&optional arg) "nil (`nil')" (interactive "p") (if (string= "" ivy-text) (execute-kbd-macro (kbd "M-o b")) (self-insert-command arg))) (96 . counsel-file-jump-from-find) (C-backspace . counsel-up-directory) (67108991 . counsel-up-directory)) :caller counsel-find-file)
  counsel--find-file-1("Find file: " nil counsel-find-file-action counsel-find-file)
  counsel-find-file()
  funcall-interactively(counsel-find-file)
  command-execute(counsel-find-file)

​