VOL-1360 BBSim - Error handling in AAA/DHCP client activation trigger

Change-Id: Idd327ed5de38ee4026c786e5c384dfa63624ad0a
diff --git a/core/io_worker.go b/core/io_worker.go
index 2533a19..077b2c1 100644
--- a/core/io_worker.go
+++ b/core/io_worker.go
@@ -22,13 +22,12 @@
 	"strconv"
 	"time"
 
-	"gerrit.opencord.org/voltha-bbsim/device"
-
 	"gerrit.opencord.org/voltha-bbsim/common/logger"
-	"gerrit.opencord.org/voltha-bbsim/common/utils"
 	"github.com/google/gopacket"
 	"github.com/google/gopacket/layers"
 	"github.com/google/gopacket/pcap"
+	"gerrit.opencord.org/voltha-bbsim/device"
+	"gerrit.opencord.org/voltha-bbsim/common/utils"
 )
 
 func RecvWorker(io *Ioinfo, handler *pcap.Handle, r chan Packet) {