I have a Dell Latitude E7450 here and can confirm the problem. As soon as I try to activate both monitors over the docking station I end up in a kernel panic. When I go back to to 4.4.0-72-generic all works as expected.
NAME="Ubuntu" VERSION="16.04.2 LTS (Xenial Xerus)"
Let me know if you need more information.
I have a Dell Latitude E7450 here and can confirm the problem. As soon as I try to activate both monitors over the docking station I end up in a kernel panic. When I go back to to 4.4.0-72-generic all works as expected.
NAME="Ubuntu"
VERSION="16.04.2 LTS (Xenial Xerus)"
Let me know if you need more information.