zeth@zeth-t420:~$ ubuntu-device-flash touch --channel=ubuntu-touch/stable/bq-aquaris.en
2016/01/22 13:59:26 Expecting the device to expose an adb interface...
2016/01/22 13:59:26 Device is |mako|
2016/01/22 13:59:26 Flashing version 26 from ubuntu-touch/stable/bq-aquaris.en channel and server https://system-image.ubuntu.com to device mako
2016/01/22 13:59:29 Start pushing /home/zeth/.cache/ubuntuimages/ubuntu-touch/stable/bq-aquaris.en/mako/version-26.tar.xz to device
2016/01/22 13:59:29 Start pushing /home/zeth/.cache/ubuntuimages/pool/ubuntu-0612f1183b56c12bfb61e9a2dd122714567c6083dc65b7204e3e26a4deb21c18.tar.xz to device
2016/01/22 13:59:29 Start pushing /home/zeth/.cache/ubuntuimages/pool/device-d16c1032d25d5ebfb02511d6c4513ec0582b0c8f20710128ad53369368d2e28e.tar.xz to device
2016/01/22 13:59:29 Start pushing /home/zeth/.cache/ubuntuimages/gpg/image-master.tar.xz to device
2016/01/22 13:59:29 error pushing: