The efforts by NATO is to answer the drone attacks to end the incursion at their sovereign borders. It has not discouraged Russia. Article Five is in effect in NATO to increase a greater response. The response is sufficient, however, like the attacks by Russia in Ukraine they are unending.
Putin is incrementally moving against NATO. Ukraine just happens to be in the way.
NATO has been unable to establish peace processes because Russia is not interested, at all.
NATO must reassess the involvement in the region from the standpoint it is under attack.
Putin is observing an increase in armament investments in NATO. The talk is about a five year readiness. Putin also believes he has Trump on a leash while fascinated with Venezuela. Putin believes it is now or never. Any discussion by Trump of a lasting peace is driven by image making to improve his perception as a great and permanent leader in the USA. Trump’s ideology for his world vision is intractable.