Git refusing to do upstream branches

gistfile1.txt

bill@Gravemind⌚1630 ~/qtox/libs/libtoxcore-latest ∰∂ git checkout --track origin/new_api
fatal: Cannot update paths and switch to branch 'new_api' at the same time.
Did you intend to checkout 'origin/new_api' which can not be resolved as commit?
bill@Gravemind⌚1630 ~/qtox/libs/libtoxcore-latest ∰∂ git fetch origin
From https://github.com/irungentoo/toxcore
 * branch            master     -> FETCH_HEAD
bill@Gravemind⌚1630 ~/qtox/libs/libtoxcore-latest ∰∂ man git fetch
bill@Gravemind⌚1631 ~/qtox/libs/libtoxcore-latest ∰∂ git remote -v
origin	https://github.com/irungentoo/toxcore.git (fetch)
origin	https://github.com/irungentoo/toxcore.git (push)
bill@Gravemind⌚1631 ~/qtox/libs/libtoxcore-latest ∰∂ git fetch origin
From https://github.com/irungentoo/toxcore
 * branch            master     -> FETCH_HEAD
bill@Gravemind⌚1632 ~/qtox/libs/libtoxcore-latest ∰∂ git branch -avv
* master                c086a66 Code Cleanups.
  remotes/origin/HEAD   -> origin/master
  remotes/origin/master c086a66 Code Cleanups.
bill@Gravemind⌚1632 ~/qtox/libs/libtoxcore-latest ∰∂ git fetch origin new_api
remote: Counting objects: 5, done.
remote: Compressing objects: 100% (5/5), done.
remote: Total 5 (delta 2), reused 3 (delta 0)
Unpacking objects: 100% (5/5), done.
From https://github.com/irungentoo/toxcore
 * branch            new_api    -> FETCH_HEAD
bill@Gravemind⌚1633 ~/qtox/libs/libtoxcore-latest ∰∂ git checkout --track origin/new_api
fatal: Cannot update paths and switch to branch 'new_api' at the same time.
Did you intend to checkout 'origin/new_api' which can not be resolved as commit?
bill@Gravemind⌚1633 ~/qtox/libs/libtoxcore-latest ∰∂ git getch origin
git: 'getch' is not a git command. See 'git --help'.

Did you mean this?
	fetch
bill@Gravemind⌚1633 ~/qtox/libs/libtoxcore-latest ∰∂ git fetch origin
From https://github.com/irungentoo/toxcore
 * branch            master     -> FETCH_HEAD
bill@Gravemind⌚1633 ~/qtox/libs/libtoxcore-latest ∰∂ git branch -avv
* master                c086a66 Code Cleanups.
  remotes/origin/HEAD   -> origin/master
  remotes/origin/master c086a66 Code Cleanups.
bill@Gravemind⌚1633 ~/qtox/libs/libtoxcore-latest ∰∂ less ~/.bash_aliases 
bill@Gravemind⌚1633 ~/qtox/libs/libtoxcore-latest ∰∂ git fetch origin new_api:new_api
From https://github.com/irungentoo/toxcore
 * [new branch]      new_api    -> new_api
bill@Gravemind⌚1634 ~/qtox/libs/libtoxcore-latest ∰∂ git branch
* master
  new_api
bill@Gravemind⌚1634 ~/qtox/libs/libtoxcore-latest ∰∂ git branch -avv
* master                c086a66 Code Cleanups.
  new_api               eac0d43 Started implementing new Tox api.
  remotes/origin/HEAD   -> origin/master
  remotes/origin/master c086a66 Code Cleanups.
bill@Gravemind⌚1634 ~/qtox/libs/libtoxcore-latest ∰∂ git checkout new_api 
Switched to branch 'new_api'
bill@Gravemind⌚1634 ~/qtox/libs/libtoxcore-latest ∰∂ git branch -u origin/new_api
error: the requested upstream branch 'origin/new_api' does not exist