[VOL-3210] Added Retry feature in BBSim for EAPOL and DHCP

Change-Id: If0586c804f906998ebc09b7770fd6a749a3a2762
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 69bbb56..6e2ad93 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -16,8 +16,6 @@
 github.com/eapache/go-xerial-snappy
 # github.com/eapache/queue v1.1.0
 github.com/eapache/queue
-# github.com/fatih/structs v1.1.0
-github.com/fatih/structs
 # github.com/ghodss/yaml v1.0.0
 github.com/ghodss/yaml
 # github.com/golang/protobuf v1.3.2
@@ -64,6 +62,8 @@
 github.com/jhump/protoreflect/desc/internal
 github.com/jhump/protoreflect/dynamic
 github.com/jhump/protoreflect/internal
+# github.com/jpillora/backoff v1.0.0
+github.com/jpillora/backoff
 # github.com/klauspost/compress v1.9.8
 github.com/klauspost/compress/fse
 github.com/klauspost/compress/huff0