diff --git a/go/voltha/events.pb.go b/go/voltha/events.pb.go
index 30a817f..07ea547 100644
--- a/go/voltha/events.pb.go
+++ b/go/voltha/events.pb.go
@@ -7,7 +7,7 @@
 	fmt "fmt"
 	proto "github.com/golang/protobuf/proto"
 	timestamp "github.com/golang/protobuf/ptypes/timestamp"
-	_ "github.com/opencord/voltha-protos/v3/go/common"
+	_ "github.com/opencord/voltha-protos/v4/go/common"
 	_ "google.golang.org/genproto/googleapis/api/annotations"
 	math "math"
 )
@@ -1027,7 +1027,7 @@
 	// 1135 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x56, 0xdd, 0x6e, 0xe3, 0x44,
 	0x14, 0x8e, 0x9d, 0x34, 0x3f, 0xc7, 0x69, 0xeb, 0xce, 0x22, 0x08, 0x59, 0xd8, 0x2d, 0x46, 0xa0,
-	0x6a, 0x57, 0x38, 0xc2, 0x8b, 0xb4, 0x55, 0x57, 0x08, 0x76, 0x53, 0xb3, 0x35, 0x4b, 0x93, 0xe0,
+	0x6a, 0x57, 0x38, 0xc2, 0xac, 0xb4, 0x55, 0x57, 0x08, 0x76, 0x53, 0xb3, 0x35, 0x4b, 0x93, 0xe0,
 	0xa6, 0x45, 0x70, 0x13, 0x4d, 0xe3, 0x69, 0x62, 0x35, 0xc9, 0x58, 0x9e, 0x49, 0xb4, 0x7d, 0x00,
 	0xae, 0x79, 0x00, 0x1e, 0x81, 0xe7, 0xe0, 0x31, 0x10, 0x2f, 0xc1, 0x03, 0xa0, 0xf9, 0x71, 0x62,
 	0x97, 0xae, 0xf6, 0x62, 0xc5, 0x95, 0x67, 0xce, 0x9c, 0x6f, 0xe6, 0x3b, 0x67, 0xce, 0x77, 0xc6,
@@ -1073,27 +1073,27 @@
 	0x0d, 0xb4, 0x0d, 0x0d, 0xff, 0xc7, 0xf3, 0x60, 0x20, 0xa7, 0x26, 0xb2, 0xa0, 0x76, 0xe6, 0x87,
 	0x17, 0x41, 0xd7, 0xb7, 0xcb, 0x68, 0x07, 0x60, 0x10, 0xf6, 0xbb, 0xfe, 0xd9, 0x59, 0xd0, 0x7b,
 	0x69, 0x57, 0x50, 0x13, 0xea, 0x67, 0x7e, 0xf7, 0x3c, 0x0c, 0x86, 0x3f, 0xdb, 0x5b, 0xce, 0x09,
-	0xd8, 0xf2, 0xdc, 0xb3, 0xe5, 0xe5, 0xfa, 0xe8, 0xaf, 0x72, 0x4f, 0xc6, 0x40, 0x1e, 0x58, 0x83,
-	0x72, 0xff, 0x07, 0x71, 0x90, 0x18, 0xc8, 0x23, 0xe4, 0xe0, 0xdc, 0x2e, 0x8b, 0x41, 0xaf, 0x17,
-	0xd8, 0x15, 0xe7, 0x27, 0x68, 0x6c, 0x3a, 0xfa, 0xf7, 0xd9, 0x16, 0x36, 0x34, 0xbb, 0xfd, 0xde,
-	0x77, 0xc1, 0xcb, 0x91, 0x7f, 0x21, 0xc8, 0x95, 0x04, 0xd7, 0x57, 0x83, 0x40, 0x4f, 0x0d, 0x41,
-	0x6f, 0x3d, 0xf5, 0x6c, 0x53, 0x00, 0x8e, 0x7d, 0x41, 0x5d, 0x7b, 0x94, 0x9d, 0xbf, 0x4d, 0xb0,
-	0xe4, 0xce, 0x27, 0x04, 0x47, 0x24, 0x15, 0xb5, 0xb6, 0x2e, 0x04, 0x33, 0x8e, 0xd0, 0x53, 0xa8,
-	0x8f, 0x35, 0x75, 0x99, 0xd7, 0x1d, 0xef, 0x7e, 0x76, 0x67, 0x85, 0x94, 0xea, 0x82, 0x5d, 0x3b,
-	0xa3, 0xe7, 0xd0, 0x64, 0xcb, 0xcb, 0xd1, 0x1a, 0x5c, 0x96, 0xe0, 0x07, 0x05, 0x70, 0x2e, 0x2f,
-	0x1a, 0x6f, 0xb1, 0x8d, 0x09, 0x3d, 0xd6, 0x3a, 0xa9, 0x48, 0xe8, 0x07, 0x05, 0xe8, 0x7f, 0x44,
-	0xf2, 0x09, 0x34, 0xc5, 0x77, 0xb4, 0x22, 0x29, 0x13, 0xe5, 0xa7, 0xde, 0x12, 0x4b, 0xd8, 0x2e,
-	0x94, 0x09, 0x3d, 0x85, 0x46, 0x8a, 0x63, 0x46, 0xa2, 0x11, 0x67, 0xad, 0xaa, 0x54, 0x6f, 0xdb,
-	0x55, 0xaf, 0xbe, 0x9b, 0xbd, 0xfa, 0xee, 0x30, 0x7b, 0xf5, 0xc3, 0xba, 0x72, 0x1e, 0x32, 0xf4,
-	0x4c, 0xc8, 0x24, 0xa1, 0x29, 0x57, 0xd0, 0xda, 0x5b, 0xa1, 0x90, 0xb9, 0x0f, 0x99, 0xf3, 0xbb,
-	0x09, 0x5b, 0x4a, 0x6d, 0x8f, 0xa1, 0x3a, 0x95, 0x59, 0xd6, 0x5d, 0xf9, 0x5e, 0x21, 0x22, 0x75,
-	0x01, 0xa1, 0x76, 0x41, 0x87, 0xd0, 0x1c, 0xcb, 0xbf, 0x01, 0xa5, 0x3c, 0xdd, 0x6d, 0xee, 0xdd,
-	0xf1, 0xa7, 0x70, 0x52, 0x0a, 0xad, 0x71, 0xee, 0xdf, 0xa2, 0x03, 0x8d, 0xeb, 0x24, 0xd6, 0xb0,
-	0xb2, 0x84, 0xd9, 0xb7, 0x7b, 0xcc, 0x49, 0x29, 0xac, 0x5f, 0x67, 0x0d, 0xd7, 0x03, 0x58, 0x03,
-	0x3c, 0x99, 0x6d, 0xcb, 0xdb, 0xbb, 0x8d, 0xf0, 0x4e, 0x4a, 0x61, 0xe3, 0x7a, 0xdd, 0xc3, 0x0e,
-	0xa1, 0x99, 0x6f, 0x0c, 0x32, 0xdd, 0x39, 0x7a, 0x39, 0x3d, 0x0b, 0x7a, 0xb9, 0x56, 0xf1, 0xa2,
-	0x09, 0xa0, 0x7a, 0x89, 0xb8, 0x9a, 0x17, 0x3e, 0xdc, 0xa3, 0xe9, 0xc4, 0xa5, 0x09, 0x59, 0x8c,
-	0x69, 0x1a, 0x69, 0xfc, 0x2f, 0xee, 0x24, 0xe6, 0xd3, 0xe5, 0xa5, 0x3b, 0xa6, 0xf3, 0x4e, 0xb6,
-	0xd6, 0x51, 0x6b, 0x5f, 0xe8, 0x1f, 0xbb, 0xd5, 0x93, 0xce, 0x84, 0x6a, 0xdb, 0x65, 0x55, 0x1a,
-	0x9f, 0xfc, 0x1b, 0x00, 0x00, 0xff, 0xff, 0x6d, 0xad, 0x4a, 0x9a, 0x21, 0x0a, 0x00, 0x00,
+	0xd8, 0xf2, 0xdc, 0xb3, 0xe5, 0xe5, 0xfa, 0xe8, 0x27, 0xb9, 0x27, 0x63, 0x20, 0x0f, 0xac, 0x41,
+	0xb9, 0xff, 0x83, 0x38, 0x48, 0x0c, 0xe4, 0x11, 0x72, 0x70, 0x6e, 0x97, 0xc5, 0xa0, 0xd7, 0x0b,
+	0xec, 0x8a, 0xf3, 0x13, 0x34, 0x36, 0x1d, 0xfd, 0xfb, 0x6c, 0x0b, 0x1b, 0x9a, 0xdd, 0x7e, 0xef,
+	0xbb, 0xe0, 0xe5, 0xc8, 0xbf, 0x10, 0xe4, 0x4a, 0x82, 0xeb, 0xab, 0x41, 0xa0, 0xa7, 0x86, 0xa0,
+	0xb7, 0x9e, 0x7a, 0xb6, 0x29, 0x00, 0xc7, 0xbe, 0xa0, 0xae, 0x3d, 0xca, 0xce, 0xdf, 0x26, 0x58,
+	0x72, 0xe7, 0x13, 0x82, 0x23, 0x92, 0x8a, 0x5a, 0x5b, 0x17, 0x82, 0x19, 0x47, 0xe8, 0x29, 0xd4,
+	0xc7, 0x9a, 0xba, 0xcc, 0xeb, 0x8e, 0x77, 0x3f, 0xbb, 0xb3, 0x42, 0x4a, 0x75, 0xc1, 0xae, 0x9d,
+	0xd1, 0x73, 0x68, 0xb2, 0xe5, 0xe5, 0x68, 0x0d, 0x2e, 0x4b, 0xf0, 0x83, 0x02, 0x38, 0x97, 0x17,
+	0x8d, 0xb7, 0xd8, 0xc6, 0x84, 0x1e, 0x6b, 0x9d, 0x54, 0x24, 0xf4, 0x83, 0x02, 0xf4, 0x3f, 0x22,
+	0xf9, 0x04, 0x9a, 0xe2, 0x3b, 0x5a, 0x91, 0x94, 0x89, 0xf2, 0x53, 0x6f, 0x89, 0x25, 0x6c, 0x17,
+	0xca, 0x84, 0x9e, 0x42, 0x23, 0xc5, 0x31, 0x23, 0xd1, 0x88, 0xb3, 0x56, 0x55, 0xaa, 0xb7, 0xed,
+	0xaa, 0x57, 0xdf, 0xcd, 0x5e, 0x7d, 0x77, 0x98, 0xbd, 0xfa, 0x61, 0x5d, 0x39, 0x0f, 0x19, 0x7a,
+	0x26, 0x64, 0x92, 0xd0, 0x94, 0x2b, 0x68, 0xed, 0xad, 0x50, 0xc8, 0xdc, 0x87, 0xcc, 0xf9, 0xdd,
+	0x84, 0x2d, 0xa5, 0xb6, 0xc7, 0x50, 0x9d, 0xca, 0x2c, 0xeb, 0xae, 0x7c, 0xaf, 0x10, 0x91, 0xba,
+	0x80, 0x50, 0xbb, 0xa0, 0x43, 0x68, 0x8e, 0xe5, 0xdf, 0x80, 0x52, 0x9e, 0xee, 0x36, 0xf7, 0xee,
+	0xf8, 0x53, 0x38, 0x29, 0x85, 0xd6, 0x38, 0xf7, 0x6f, 0xd1, 0x81, 0xc6, 0x75, 0x12, 0x6b, 0x58,
+	0x59, 0xc2, 0xec, 0xdb, 0x3d, 0xe6, 0xa4, 0x14, 0xd6, 0xaf, 0xb3, 0x86, 0xeb, 0x01, 0xac, 0x01,
+	0x9e, 0xcc, 0xb6, 0xe5, 0xed, 0xdd, 0x46, 0x78, 0x27, 0xa5, 0xb0, 0x71, 0xbd, 0xee, 0x61, 0x87,
+	0xd0, 0xcc, 0x37, 0x06, 0x99, 0xee, 0x1c, 0xbd, 0x9c, 0x9e, 0x05, 0xbd, 0x5c, 0xab, 0x78, 0xd1,
+	0x04, 0x50, 0xbd, 0x44, 0x5c, 0xcd, 0x0b, 0x1f, 0xee, 0xd1, 0x74, 0xe2, 0xd2, 0x84, 0x2c, 0xc6,
+	0x34, 0x8d, 0x34, 0xfe, 0x17, 0x77, 0x12, 0xf3, 0xe9, 0xf2, 0xd2, 0x1d, 0xd3, 0x79, 0x27, 0x5b,
+	0xeb, 0xa8, 0xb5, 0x2f, 0xf4, 0x8f, 0xdd, 0xea, 0x49, 0x67, 0x42, 0xb5, 0xed, 0xb2, 0x2a, 0x8d,
+	0x5f, 0xfd, 0x1b, 0x00, 0x00, 0xff, 0xff, 0x26, 0x26, 0x74, 0xd0, 0x21, 0x0a, 0x00, 0x00,
 }