upgrade again as libuv seems to be the source of the trouble

bind/bind.spec

@@ -22,8 +22,8 @@
 ##
 
 #   package version
-%define       V_opkg  9.16.1
-%define       V_dist  9.16.1
+%define       V_opkg  9.16.2
+%define       V_dist  9.16.2
 
 #   package information
 Name:         bind
@@ -36,7 +36,7 @@ Class:        BASE
 Group:        DNS
 License:      ISC
 Version:      %{V_opkg}
-Release:      20200417
+Release:      20200420
 
 #   package options
 %option       with_dnssec    no
@@ -57,6 +57,8 @@ Patch0:       bind.patch
 #   build information
 BuildPreReq:  OpenPKG, openpkg >= 20160101, make, pkgconfig
 PreReq:       OpenPKG, openpkg >= 20160101
+BuildPreReq:  libuv
+PreReq:       libuv
 %if "%{with_dnssec}" == "yes"
 BuildPreReq:  openssl, python, python-parse
 PreReq:       openssl, python, python-parse