Bug#1111791: Acknowledgement (systemd: network-online.target reached before IPv6 address is ready)

[Marcelo Gondim]

Hi,

Based on my tests, I conclude that the issue is not related to systemd 
itself, but rather to the ifupdown package. When using systemd-networkd 
instead of ifupdown, everything operates normally.

It seems that something introduced between Bookworm and Trixie caused 
ifupdown (/etc/network/interfaces) to change its behavior, leading to 
services being started before the network is fully ready.

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