diff --git a/README.md b/README.md
index 0ec69a6..843f4c5 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,9 @@ docker build .
 * `NSM_LOG_LEVEL`                - Log level (default: "INFO")
 * `NSM_PPROF_ENABLED`            - is pprof enabled (default: "false")
 * `NSM_PPROF_LISTEN_ON`          - pprof URL to ListenAndServe (default: "localhost:6060")
+* `NSM_LIVENESS_CHECK_ENABLED`   - Dataplane liveness check enabled/disabled (default: "true")
+* `NSM_LIVENESS_CHECK_INTERVAL`  - Dataplane liveness check interval (default: "1200ms")
+* `NSM_LIVENESS_CHECK_TIMEOUT`   - Dataplane liveness check timeout (default: "1s")
 
 # Testing
 
diff --git a/internal/imports/imports_linux.go b/internal/imports/imports_linux.go
index 3d7b7a3..43d1229 100644
--- a/internal/imports/imports_linux.go
+++ b/internal/imports/imports_linux.go
@@ -21,17 +21,18 @@ import (
 	_ "github.com/networkservicemesh/sdk-vpp/pkg/networkservice/tag"
 	_ "github.com/networkservicemesh/sdk-vpp/pkg/networkservice/up"
 	_ "github.com/networkservicemesh/sdk-vpp/pkg/networkservice/vrf"
+	_ "github.com/networkservicemesh/sdk-vpp/pkg/tools/heal"
 	_ "github.com/networkservicemesh/sdk/pkg/ipam/strictvl3ipam"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/chains/client"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/chains/endpoint"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/authorize"
+	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/begin"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/clientinfo"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/heal"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/mechanisms"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/mechanisms/kernel"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/mechanisms/recvfd"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/mechanisms/sendfd"
-	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/null"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/onidle"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/retry"
 	_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/upstreamrefresh"