. . . "This timestamp indicates the time that the\nBGP session last transitioned in or out of the Established\nstate. The value is the timestamp in nanoseconds relative to\nthe Unix Epoch (Jan 1, 1970 00:00:00 UTC).\n\nThe BGP session uptime can be computed by clients as the\ndifference between this value and the current time in UTC\n(assuming the session is in the ESTABLISHED state, per the\nsession-state leaf)." . .