[VOL-3285] Resolving statis code analysis warnings

Change-Id: Iaddaae92c649fd27ce0a63f1786af594667c9e8e
diff --git a/internal/bbsimctl/commands/pon.go b/internal/bbsimctl/commands/pon.go
index 885fb75..332f748 100644
--- a/internal/bbsimctl/commands/pon.go
+++ b/internal/bbsimctl/commands/pon.go
@@ -45,7 +45,7 @@
 }
 
 func RegisterPonCommands(parser *flags.Parser) {
-	parser.AddCommand("pon", "PON Commands", "Commands to query and manipulate the PON port", &PONOptions{})
+	_, _ = parser.AddCommand("pon", "PON Commands", "Commands to query and manipulate the PON port", &PONOptions{})
 }
 
 func (pon *PonPoweronAllOnus) Execute(args []string) error {