(cherry picked from commit c43b7158)

(cherry picked from commit b5cd617e)

(cherry picked from commit fa81eb18)

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(cherry picked from commit 9338c2bf)

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(cherry picked from commit 17ffaa17)

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(cherry picked from commit 35900425)

(cherry picked from commit 09173813)

(cherry picked from commit 3f780856)

(cherry picked from commit 0822b3dd)

(cherry picked from commit 7ce4776b)

(cherry picked from commit 632cfdff)

(cherry picked from commit 531e3036)

(cherry picked from commit 2cacc4b5)

(cherry picked from commit bec1cc37)

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(cherry picked from commit 9949d2a1)

Suggested by: @oparoz

(cherry picked from commit b41fc618)
(cherry picked from commit efb83c51)
(cherry picked from commit d74c2749)
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(cherry picked from commit 29ddac46)
(cherry picked from commit 7ec49ce3)

Spotted by: @fabianfrz

(cherry picked from commit ff6f2341)

Wouldn't it be better to do this unconditionally if more CSC
features are pushed and this might be missed again?

PR: https://forum.opnsense.org/index.php?topic=2449.0
(cherry picked from commit d68e86e8)

(cherry picked from commit 6e1be849)

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(cherry picked from commit d67d70ba)

(cherry picked from commit 0c0d3a3c)

(Yay, it's gone.)

(cherry picked from commit 1eea5ee6)

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(cherry picked from commit 2a7a87c0)