The tmnxVrrpRouterStatsTable provides an extension of the
vrrpRouterStatsTable in the VRRP-MIB.
Use of AUGMENTS clause implies a one-to-one dependent relationship
between the base table, vrrpRouterStatsTable, and the augmenting
table, tmnxVrrpRouterStatsTable. This in effect extends the
vrrpRouterStatsTable with additional columns.