Include chain creation error in health check (#2519)

Signed-off-by: marun <[email protected]>
Co-authored-by: Dhruba Basu <[email protected]>

chains/manager.go

@@ -368,7 +368,7 @@ func (m *manager) createChain(chainParams ChainParameters) {
 		// created or not. This attempts to notify the node operator that their
 		// node may not be properly validating the subnet they expect to be
 		// validating.
-		healthCheckErr := fmt.Errorf("failed to create chain on subnet: %s", chainParams.SubnetID)
+		healthCheckErr := fmt.Errorf("failed to create chain on subnet %s: %w", chainParams.SubnetID, err)
 		err := m.Health.RegisterHealthCheck(
 			chainAlias,
 			health.CheckerFunc(func(context.Context) (interface{}, error) {