pfSense

enable ip send for FreeDNS DynDNS update

without this, only legacy IP records get updated correctly.

redmi ticket: https://redmine.pfsense.org/issues/8924

(cherry picked from commit 44857365cd397a468fadd79dea75a375f289f32b)

garga changes
move conditional before platform_booting
and join w && instead of indenting

(cherry picked from commit b974f79a368b253272b2cf9fc7448f4fb91b12ff)

reduce the tons of log spew that currently spit out during boot
and gateway failure events. Try to make the logs readable again,
while still allowing verbose logging if needed via a new hidden
config option:

['system']['gw-debug']

(cherry picked from commit f406f896444ec0c5d8fba00fa94cde0f1139b69c)

Add missing regex to validate serial

Use all possible kenv variables to detect serial

Fix #8910: Restore older versions behaviour and consider 'wan' interface as primary default gateway

Fix #8911: Keep configured pkg repository when restoring config

Revise async_crypto setting

Fixed #8880

Fix an obvious mistake.

Reported by: stevew
Ticket: #8906
Pointy-hat to: loos

(cherry picked from commit 0285d8e5c721491c7e8ae8dea0f0fdef95bb5cff)