network/net-lib.sh: auto6 wait for route ra

Wait for a router advertised route

diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
index 98dbbb63f9e32568f9dc086a7cfd7f65d97fa8f5..b248133d2129bfcdce06064e77b1d4e05eb8606c 100755 (executable)
--- a/modules.d/40network/net-lib.sh
+++ b/modules.d/40network/net-lib.sh
@@ -659,7 +659,9 @@ wait_for_ipv6_auto() {
     timeout=$(($timeout*10))
 
     while [ $cnt -lt $timeout ]; do
-        [ -z "$(ip -6 addr show dev $1 scope global tentative)" ] && return 0
+        [ -z "$(ip -6 addr show dev "$1" scope global tentative)" ] \
+            && [ -n "$(ip -6 route list proto ra dev "$1")" ] \
+            && return 0
         sleep 0.1
         cnt=$(($cnt+1))
     done