VOL-4427: Clear stale keys from etcd

Change-Id: I5e09248ab8f6be48aa164d1e8025cb2be2b379dd
diff --git a/go.sum b/go.sum
index 08d95cd..2a4c3ae 100644
--- a/go.sum
+++ b/go.sum
@@ -185,8 +185,8 @@
 github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
 github.com/onsi/gomega v1.14.0 h1:ep6kpPVwmr/nTbklSx2nrLNSIO62DoYAhnPNIMhK8gI=
 github.com/onsi/gomega v1.14.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0=
-github.com/opencord/voltha-lib-go/v7 v7.0.4 h1:nVVRkEZyfEkGYewfgmO3NzIAIVdm8G/vVyEaCUwYW6g=
-github.com/opencord/voltha-lib-go/v7 v7.0.4/go.mod h1:iZueJRS4XJ3rpm3iy0Zdnhz1lG5bWx2pZoPormwgUKk=
+github.com/opencord/voltha-lib-go/v7 v7.0.6 h1:IeHIxB+jovITYTEwFExC7ZClrkO2bY1Ki37Yig8y2Lc=
+github.com/opencord/voltha-lib-go/v7 v7.0.6/go.mod h1:iZueJRS4XJ3rpm3iy0Zdnhz1lG5bWx2pZoPormwgUKk=
 github.com/opencord/voltha-protos/v5 v5.0.0 h1:US2k7qYPMnOueOCrprq9LjuMT3wK9uyxPwAVwjMmKhc=
 github.com/opencord/voltha-protos/v5 v5.0.0/go.mod h1:uVKXQB499Ir6G+rc47dSThNja1S4Vy3h9JLSDuJGmzI=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=