Display the high availability state history for the gateway in the VRF context.
Example:
nsx-edge-1(tier0_sr)> get gateway high-availability history state
State : Down
Event : Init
Resources :
Time : 2016-02-02 18:41:22.80
State : Active
Event : Node Up
Resources : 0
Time : 2016-02-02 18:41:26.91