Commit e2ae0869 authored by Ondřej Zajíček's avatar Ondřej Zajíček

Nest: Do not hard-reset interface when preferred address is changed

Modify protocols to use preferred address change notification instead on
depending on hard-reset of interfaces in that case, and remove hard-reset
in that case. This avoids issue when e.g. IPv6 protocol restarts
interface when IPv4 preferred address changed (as hard-reset is
unavoidable and common for whole iface).

The patch also fixes a bug when removing last address does not send
preferred address change notification.
parent 66934ace
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