seckek

[Bug] Dev branch - Covenant doesn't start if the listener interface is no longer available

2

**Feature Request or Bug** Bug **Describe the feature request or bug** If a listener is configured for an interface that no longer exists (eg. tun0) Covenant is unable to start....

Fixes the issue where Covenant fails to start if there is a listener which can't be initialized (eg. the interface doesn't exist anymore).