`fmt.Errorf can be replaced with errors.New` and `fmt.Sprintf can be replaced with string addition`
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
Do not fail if client creation failed.
Use external addresses to create the client too.
Use public key as node ID.
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
