resource-get hangs indefinitely on older k8s bundles

The following output is a stackdump issued by sending sigquit (ctrl + \) in a hope it will shed more details on where its failing.

root@ip-172-31-1-52:/var/lib/juju/agents/unit-kubernetes-worker-0/charm# resource-get kubernetes
^\SIGQUIT: quit
PC=0x4792f9 m=0

goroutine 0 [idle]:
runtime.epollwait(0x4, 0x7ffd76d16960, 0xffffffff00000080, 0x0, 0xffffffff, 0xc935e0, 0x0, 0x0, 0x0, 0x0, ...)
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/sys_linux_amd64.s:440 +0x19
runtime.netpoll(0x50b5701, 0x0)
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/netpoll_epoll.go:67 +0x94
runtime.findrunnable(0xc82001e000, 0x0)
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/proc.go:1955 +0x62c
runtime.schedule()
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/proc.go:2072 +0x24f
runtime.park_m(0xc8201dca80)
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/proc.go:2137 +0x18b
runtime.mcall(0x7ffd76d17070)
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/asm_amd64.s:233 +0x5b

goroutine 1 [chan receive]:
net/rpc.(*Client).Call(0xc8202bb020, 0x334c170, 0xa, 0x2f9cca0, 0xc820480310, 0x21ee300, 0xc8203b0740, 0x0, 0x0)
        /var/lib/jenkins/crossbuild/golang-1.6/src/net/rpc/client.go:315 +0xcd
main.jujuCMain(0x7ffd76d17e3d, 0xc, 0xc820345770, 0xc82000a220, 0x2, 0x2, 0x1, 0x0, 0x0)
        /tmp/tmp6ruzP3/juju-core_2.1.2/src/github.com/juju/juju/cmd/jujud/main.go:113 +0x36a
main.Main(0xc82000a220, 0x2, 0x2, 0x0)
        /tmp/tmp6ruzP3/juju-core_2.1.2/src/github.com/juju/juju/cmd/jujud/main.go:228 +0x6e5
main.MainWrapper(0xc82000a220, 0x2, 0x2)
        /tmp/tmp6ruzP3/juju-core_2.1.2/src/github.com/juju/juju/cmd/jujud/main.go:190 +0x35
main.main()
        /tmp/tmp6ruzP3/juju-core_2.1.2/src/github.com/juju/juju/cmd/jujud/main_nix.go:22 +0x3b

goroutine 17 [syscall, locked to thread]:
runtime.goexit()
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/asm_amd64.s:1998 +0x1

goroutine 5 [syscall]:
os/signal.signal_recv(0x0)
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/sigqueue.go:116 +0x132
os/signal.loop()
        /var/lib/jenkins/crossbuild/golang-1.6/src/os/signal/signal_unix.go:22 +0x18
created by os/signal.init.1
        /var/lib/jenkins/crossbuild/golang-1.6/src/os/signal/signal_unix.go:28 +0x37

goroutine 25 [IO wait]:
net.runtime_pollWait(0x7f20da56ade0, 0x72, 0xc82048a000)
        /var/lib/jenkins/crossbuild/golang-1.6/src/runtime/netpoll.go:160 +0x60
net.(*pollDesc).Wait(0xc820480300, 0x72, 0x0, 0x0)
        /var/lib/jenkins/crossbuild/golang-1.6/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitRead(0xc820480300, 0x0, 0x0)
        /var/lib/jenkins/crossbuild/golang-1.6/src/net/fd_poll_runtime.go:78 +0x36
net.(*netFD).Read(0xc8204802a0, 0xc82048a000, 0x1000, 0x1000, 0x0, 0x7f20da55a050, 0xc8200121c0)
        /var/lib/jenkins/crossbuild/golang-1.6/src/net/fd_unix.go:250 +0x23a
net.(*conn).Read(0xc82002b108, 0xc82048a000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
        /var/lib/jenkins/crossbuild/golang-1.6/src/net/net.go:172 +0xe4
bufio.(*Reader).fill(0xc8202baf60)
        /var/lib/jenkins/crossbuild/golang-1.6/src/bufio/bufio.go:97 +0x1e9
bufio.(*Reader).Read(0xc8202baf60, 0xc8...

I've also verified its not even making any bins on disk so its hung up in the initial phases of fetching the resource. I don't see any resource paths on disk where I would expect them to be:

root@ip-172-31-1-52:/var/lib/juju/agents/unit-kubernetes-worker-0# tree -L 3
.
├── agent.conf
├── charm
│ ├── actions
│ │ ├── clean-containers
│ │ ├── clean-images
│ │ ├── debug
│ │ ├── microbot
│ │ ├── pause
│ │ └── resume
│ ├── actions.yaml
│ ├── bin
│ │ └── layer_option
│ ├── config.yaml
│ ├── copyright
│ ├── debug-resource-get.txt
│ ├── debug-scripts
│ │ ├── charm-unitdata
│ │ ├── docker
│ │ ├── filesystem
│ │ ├── inotify
│ │ ├── juju-logs
│ │ ├── kubectl
│ │ ├── kubernetes-worker-services
│ │ ├── network
│ │ ├── packages
│ │ ├── sysctl
│ │ └── systemd
│ ├── exec.d
│ │ └── docker-compose
│ ├── HACKING.md
│ ├── hooks
│ │ ├── certificates-relation-broken
│ │ ├── certificates-relation-changed
│ │ ├── certificates-relation-departed
│ │ ├── certificates-relation-joined
│ │ ├── cni-relation-broken
│ │ ├── cni-relation-changed
│ │ ├── cni-relation-departed
│ │ ├── cni-relation-joined
│ │ ├── config-changed
│ │ ├── dockerhost-relation-broken
│ │ ├── dockerhost-relation-changed
│ │ ├── dockerhost-relation-departed
│ │ ├── dockerhost-relation-joined
│ │ ├── hook.template
│ │ ├── install
│ │ ├── kube-api-endpoint-relation-broken
│ │ ├── kube-api-endpoint-relation-changed
│ │ ├── kube-api-endpoint-relation-departed
│ │ ├── kube-api-endpoint-relation-joined
│ │ ├── kube-dns-relation-broken
│ │ ├── kube-dns-relation-changed
│ │ ├── kube-dns-relation-departed
│ │ ├── kube-dns-relation-joined
│ │ ├── leader-elected
│ │ ├── leader-settings-changed
│ │ ├── relations
│ │ ├── sdn-plugin-relation-broken
│ │ ├── sdn-plugin-relation-changed
│ │ ├── sdn-plugin-relation-departed
│ │ ├── sdn-plugin-relation-joined
│ │ ├── start
│ │ ├── stop
│ │ ├── update-status
│ │ └── upgrade-charm
│ ├── icon.svg
│ ├── LAYER_README.md
│ ├── layer.yaml
│ ├── lib
│ │ ├── charms
│ │ └── debug_script.py
│ ├── Makefile
│ ├── metadata.yaml
│ ├── reactive
│ │ ├── docker.py
│ │ ├── __init__.py
│ │ ├── kubernetes_worker.py
│ │ ├── __pycache__
│ │ └── tls_client.py
│ ├── README.md
│ ├── requirements.txt
│ ├── revision
│ ├── scripts
│ │ └── enable_grub_cgroups.sh
│ ├── templates
│ │ ├── default-http-backend.yaml
│ │ ├── docker.defaults
│ │ ├── docker.systemd
│ │ ├── ingress-replication-controller.yaml
│ │ ├── kube-default
│ │ ├── kubelet.defaults
│ │ ├── kubelet.service
│ │ ├── kube-proxy.defaults
│ │ ├── kube-proxy.service
│ │ └── microbot-example.yaml
│ ├── tests
│ │ ├── 10-deploy.py
│ │ └── tests.yaml
│ ├── tox.ini
│ └── wheelhouse
│ ├── charmhelpers-0.10.0.tar.gz
│ ├── charms.docker-0.1.14.tar.gz
│ ├── charms.reactive-0.4.5.tar.gz
│ ├── charms.templating.jinja2-1.0.2.tar.gz
│ ├── Jinja2-2.8.tar.gz
│ ├── MarkupSafe-0.23.tar.g...