ddns is broken

[e9hack]

Hi,

commit 5b362932a7df5ce44ca3a8f4cf1d2b225ca8d5ae
ddns-scripts: use ip_source as bind_network default

breaks ddns for ipv4, if pppoe is used for wan access. This commit sets eth0.7 as interface for curl in my case. The correct interface is pppoe-wan. For ipv6 the correct interface is set. Usually it isn't necessary to define an interface, because the correct interface is select automatically by the routing entry for the update ip address. 

It looks like there is more wrong after the last major update. After start of ddns, ddns waits for the check interval till the first update. Previously it was done immediately. 

Regards,
Hartmut