update gobgp pkg

vendor/github.com/vishvananda/netlink/ioctl_linux.go

@@ -56,18 +56,10 @@ type ethtoolSset struct {
 	data     [1]uint32
 }
 
-// ethtoolGstrings is string set for data tagging
-type ethtoolGstrings struct {
-	cmd       uint32
-	stringSet uint32
-	length    uint32
-	data      [32]byte
-}
-
 type ethtoolStats struct {
 	cmd    uint32
 	nStats uint32
-	data   [1]uint64
+	// Followed by nStats * []uint64.
 }
 
 // newIocltSlaveReq returns filled IfreqSlave with proper interface names