diff --git a/pkg/networkservice/chains/nsmgr/scale_test.go b/pkg/networkservice/chains/nsmgr/scale_test.go
index 09ae2e0849..31b633fb6a 100644
--- a/pkg/networkservice/chains/nsmgr/scale_test.go
+++ b/pkg/networkservice/chains/nsmgr/scale_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/chains/nsmgr/server.go b/pkg/networkservice/chains/nsmgr/server.go
index 0db8f8b587..6f63c84581 100644
--- a/pkg/networkservice/chains/nsmgr/server.go
+++ b/pkg/networkservice/chains/nsmgr/server.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/chains/nsmgr/unix_test.go b/pkg/networkservice/chains/nsmgr/unix_test.go
index ac7c0715a8..e3c1c4cc69 100644
--- a/pkg/networkservice/chains/nsmgr/unix_test.go
+++ b/pkg/networkservice/chains/nsmgr/unix_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/mechanisms/kernel/vlan/server.go b/pkg/networkservice/common/mechanisms/kernel/vlan/server.go
index 702ddd0f6f..3ce6d63914 100644
--- a/pkg/networkservice/common/mechanisms/kernel/vlan/server.go
+++ b/pkg/networkservice/common/mechanisms/kernel/vlan/server.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Nordix Foundation.
+// Copyright (c) 2021-2022 Nordix Foundation.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/mechanisms/recvfd/client.go b/pkg/networkservice/common/mechanisms/recvfd/client.go
index e35e45dfa0..494a087a52 100644
--- a/pkg/networkservice/common/mechanisms/recvfd/client.go
+++ b/pkg/networkservice/common/mechanisms/recvfd/client.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/mechanisms/recvfd/common.go b/pkg/networkservice/common/mechanisms/recvfd/common.go
index 4b176dc8fe..bbb3b37138 100644
--- a/pkg/networkservice/common/mechanisms/recvfd/common.go
+++ b/pkg/networkservice/common/mechanisms/recvfd/common.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/mechanisms/recvfd/server.go b/pkg/networkservice/common/mechanisms/recvfd/server.go
index c854eefc83..8b6001e9d9 100644
--- a/pkg/networkservice/common/mechanisms/recvfd/server.go
+++ b/pkg/networkservice/common/mechanisms/recvfd/server.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/mechanisms/recvfd/server_test.go b/pkg/networkservice/common/mechanisms/recvfd/server_test.go
index 69a73ca440..dbd9993082 100644
--- a/pkg/networkservice/common/mechanisms/recvfd/server_test.go
+++ b/pkg/networkservice/common/mechanisms/recvfd/server_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/mechanisms/sendfd/client.go b/pkg/networkservice/common/mechanisms/sendfd/client.go
index 5ccd5ea9b0..fd4d76d94c 100644
--- a/pkg/networkservice/common/mechanisms/sendfd/client.go
+++ b/pkg/networkservice/common/mechanisms/sendfd/client.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/mechanisms/sendfd/common.go b/pkg/networkservice/common/mechanisms/sendfd/common.go
index f4a868ce98..cf48b44aa3 100644
--- a/pkg/networkservice/common/mechanisms/sendfd/common.go
+++ b/pkg/networkservice/common/mechanisms/sendfd/common.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/mechanisms/sendfd/server.go b/pkg/networkservice/common/mechanisms/sendfd/server.go
index 3b5aa235ba..f5825f04aa 100644
--- a/pkg/networkservice/common/mechanisms/sendfd/server.go
+++ b/pkg/networkservice/common/mechanisms/sendfd/server.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/metrics/server.go b/pkg/networkservice/common/metrics/server.go
index b9555ceb43..a74be246a6 100644
--- a/pkg/networkservice/common/metrics/server.go
+++ b/pkg/networkservice/common/metrics/server.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/refresh/client.go b/pkg/networkservice/common/refresh/client.go
index 1784386e25..191cc5fe94 100644
--- a/pkg/networkservice/common/refresh/client.go
+++ b/pkg/networkservice/common/refresh/client.go
@@ -1,6 +1,6 @@
 // Copyright (c) 2020 Cisco Systems, Inc.
 //
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/roundrobin/server.go b/pkg/networkservice/common/roundrobin/server.go
index 818872aa28..856e227632 100644
--- a/pkg/networkservice/common/roundrobin/server.go
+++ b/pkg/networkservice/common/roundrobin/server.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020 Cisco Systems, Inc.
+// Copyright (c) 2020-2022 Cisco Systems, Inc.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/common/updatetoken/server_test.go b/pkg/networkservice/common/updatetoken/server_test.go
index 577e8f8634..88d791e9f3 100644
--- a/pkg/networkservice/common/updatetoken/server_test.go
+++ b/pkg/networkservice/common/updatetoken/server_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/networkservice/core/trace/context.go b/pkg/networkservice/core/trace/context.go
index 37dda902b6..1786ccc3e7 100644
--- a/pkg/networkservice/core/trace/context.go
+++ b/pkg/networkservice/core/trace/context.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020 Cisco Systems, Inc.
+// Copyright (c) 2020-2022 Cisco Systems, Inc.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/chains/proxydns/server_nse_test.go b/pkg/registry/chains/proxydns/server_nse_test.go
index 4711e93299..b86fd4050c 100644
--- a/pkg/registry/chains/proxydns/server_nse_test.go
+++ b/pkg/registry/chains/proxydns/server_nse_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/common/dnsresolve/common.go b/pkg/registry/common/dnsresolve/common.go
index f361d0afdc..5d3f2ef71b 100644
--- a/pkg/registry/common/dnsresolve/common.go
+++ b/pkg/registry/common/dnsresolve/common.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/common/recvfd/client.go b/pkg/registry/common/recvfd/client.go
index abc25fe223..8efe55ed07 100644
--- a/pkg/registry/common/recvfd/client.go
+++ b/pkg/registry/common/recvfd/client.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2021 Cisco and/or its affiliates.
+// Copyright (c) 2021-2022 Cisco and/or its affiliates.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/common/recvfd/server.go b/pkg/registry/common/recvfd/server.go
index 9dbac3fd5c..8a964408a5 100644
--- a/pkg/registry/common/recvfd/server.go
+++ b/pkg/registry/common/recvfd/server.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/common/recvfd/server_test.go b/pkg/registry/common/recvfd/server_test.go
index 7adc038e83..d700079918 100644
--- a/pkg/registry/common/recvfd/server_test.go
+++ b/pkg/registry/common/recvfd/server_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/common/sendfd/client_linux.go b/pkg/registry/common/sendfd/client_linux.go
index 9bd439a54d..532dfe4cdb 100644
--- a/pkg/registry/common/sendfd/client_linux.go
+++ b/pkg/registry/common/sendfd/client_linux.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/common/sendfd/client_linux_test.go b/pkg/registry/common/sendfd/client_linux_test.go
index 8540977199..098b4f54aa 100644
--- a/pkg/registry/common/sendfd/client_linux_test.go
+++ b/pkg/registry/common/sendfd/client_linux_test.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/common/sendfd/server_linux.go b/pkg/registry/common/sendfd/server_linux.go
index 9da0c833d9..c6bfd65f5a 100644
--- a/pkg/registry/common/sendfd/server_linux.go
+++ b/pkg/registry/common/sendfd/server_linux.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2021 Cisco and/or its affiliates.
+// Copyright (c) 2021-2022 Cisco and/or its affiliates.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/registry/core/trace/context.go b/pkg/registry/core/trace/context.go
index 61164b2f8b..c24c630718 100644
--- a/pkg/registry/core/trace/context.go
+++ b/pkg/registry/core/trace/context.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020 Cisco Systems, Inc.
+// Copyright (c) 2020-2022 Cisco Systems, Inc.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/fs/inode.go b/pkg/tools/fs/inode.go
index 70902b47ba..30fdabaef1 100644
--- a/pkg/tools/fs/inode.go
+++ b/pkg/tools/fs/inode.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/grpcfdutils/transceiver.go b/pkg/tools/grpcfdutils/transceiver.go
index 51c782354c..9a926674c1 100644
--- a/pkg/tools/grpcfdutils/transceiver.go
+++ b/pkg/tools/grpcfdutils/transceiver.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/jaeger/exporter.go b/pkg/tools/jaeger/exporter.go
index 9b3a79e9a7..cd430872bc 100644
--- a/pkg/tools/jaeger/exporter.go
+++ b/pkg/tools/jaeger/exporter.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020 Cisco Systems, Inc.
+// Copyright (c) 2020-2022 Cisco Systems, Inc.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/log/logger.go b/pkg/tools/log/logger.go
index 5978ae55eb..da7fada448 100644
--- a/pkg/tools/log/logger.go
+++ b/pkg/tools/log/logger.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
@@ -34,6 +34,7 @@ const (
 	telemetryDefault = telemetryOTel
 )
 
+// IsOpentelemetryEnabled returns true if opentelemetry enabled
 func IsOpentelemetryEnabled() bool {
 	return telemetryOTel == getTelemetryEnv()
 }
diff --git a/pkg/tools/log/logruslogger/logruslogger.go b/pkg/tools/log/logruslogger/logruslogger.go
index bfce0d33f4..22b6eaac5b 100644
--- a/pkg/tools/log/logruslogger/logruslogger.go
+++ b/pkg/tools/log/logruslogger/logruslogger.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/log/spanlogger/span.go b/pkg/tools/log/spanlogger/span.go
index 1a76c802f5..7bdc751c8d 100644
--- a/pkg/tools/log/spanlogger/span.go
+++ b/pkg/tools/log/spanlogger/span.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/log/spanlogger/spanlogger.go b/pkg/tools/log/spanlogger/spanlogger.go
index 6f9196b614..c668f8cb89 100644
--- a/pkg/tools/log/spanlogger/spanlogger.go
+++ b/pkg/tools/log/spanlogger/spanlogger.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/opa/policy.go b/pkg/tools/opa/policy.go
index df25871e4f..7bc4327c24 100644
--- a/pkg/tools/opa/policy.go
+++ b/pkg/tools/opa/policy.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/opentelemetry/exporter.go b/pkg/tools/opentelemetry/exporter.go
index 727d683a88..30db81cc55 100644
--- a/pkg/tools/opentelemetry/exporter.go
+++ b/pkg/tools/opentelemetry/exporter.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/opentelemetry/opentelemetry.go b/pkg/tools/opentelemetry/opentelemetry.go
index a3709cf77f..025cff0c49 100644
--- a/pkg/tools/opentelemetry/opentelemetry.go
+++ b/pkg/tools/opentelemetry/opentelemetry.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/prefixpool/prefixpool.go b/pkg/tools/prefixpool/prefixpool.go
index d9d7061afc..f6b31580c7 100644
--- a/pkg/tools/prefixpool/prefixpool.go
+++ b/pkg/tools/prefixpool/prefixpool.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020 Cisco and/or its affiliates.
+// Copyright (c) 2020-2022 Cisco and/or its affiliates.
 //
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/sandbox/dial_options.go b/pkg/tools/sandbox/dial_options.go
index 2c49d23fe8..67de40a398 100644
--- a/pkg/tools/sandbox/dial_options.go
+++ b/pkg/tools/sandbox/dial_options.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/sandbox/grpc_utils.go b/pkg/tools/sandbox/grpc_utils.go
index 015c4e9955..e7304c9208 100644
--- a/pkg/tools/sandbox/grpc_utils.go
+++ b/pkg/tools/sandbox/grpc_utils.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/sandbox/grpc_utils_notwindows.go b/pkg/tools/sandbox/grpc_utils_notwindows.go
index 31d8bc6a74..2501d4afd9 100644
--- a/pkg/tools/sandbox/grpc_utils_notwindows.go
+++ b/pkg/tools/sandbox/grpc_utils_notwindows.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //
diff --git a/pkg/tools/zipkin/exporter.go b/pkg/tools/zipkin/exporter.go
index 88344d5f7d..4d7890be6f 100644
--- a/pkg/tools/zipkin/exporter.go
+++ b/pkg/tools/zipkin/exporter.go
@@ -1,6 +1,6 @@
-// Copyright (c) 2020 Cisco Systems, Inc.
+// Copyright (c) 2020-2022 Cisco Systems, Inc.
 //
-// Copyright (c) 2021 Doc.ai and/or its affiliates.
+// Copyright (c) 2021-2022 Doc.ai and/or its affiliates.
 //
 // SPDX-License-Identifier: Apache-2.0
 //