我将按照以下URL的过程安装Azure IoT Edge， 但是错误消失了，并且没有先解决它。 你能告诉我原因和避免的计划吗？
https://docs.microsoft.com/ja-jp/azure/iot-edge/how-to-install-iot-edge-linux
Linux Debian9（内核4.9）
root# apt-get install iotedge
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
iotedge : Depends: libssl1.0.0 (>= 1.0.2~beta3) but it is not installable
E: Unable to correct problems, you have held broken packages.