Follow-up on 51da4b19be1. When booting a system with WITHOUT_IPFILTER
the following warning printed at boot time:

rcorder: requirement `ipfs' in file `/etc/rc.d/netif' has no providers.

Close tha

Follow-up on 51da4b19be1. When booting a system with WITHOUT_IPFILTER
the following warning printed at boot time:

rcorder: requirement `ipfs' in file `/etc/rc.d/netif' has no providers.

Close that using BEFORE rather than REQUIRE for writing down
dependencies of optional components.

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Revert r366857.

r366857 created a number of problems, tearing down interfaces too
early in shutdown. This resulted in:

- hung ssh sessions when shutting down or rebooting remotely using
shutdown

Revert r366857.

r366857 created a number of problems, tearing down interfaces too
early in shutdown. This resulted in:

- hung ssh sessions when shutting down or rebooting remotely using
shutdown (I've used exec shutdown, for years, as apposed to simply
shutdown).

- NFS mounted filesystems "disappear" prior to unmount.

- dhclient attached to a VLAN on an interface who's parent interface
has already shut down prints errors.

The path forward is to teach lagg(4) and vlan(4) about WOL.

PR: 251531, 251540
PR: 158734, 109980 are broken again
Reported by: jhb, emaste, jtl, Helge Oldach<freebsd_oldach.net>
Martin Birgmeier <d8zNeCFG_aon.at>
MFC after: Immediately
Discussion at: https://reviews.freebsd.org/D27459

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Destroy cloned interfaces at netif stop, netif restart and shutdown.
This is especially important during shutdown because a child interface
of lagg with WOL enabled will not enable WOL at interface s

Destroy cloned interfaces at netif stop, netif restart and shutdown.
This is especially important during shutdown because a child interface
of lagg with WOL enabled will not enable WOL at interface shutdown and
thus no WOL to wake up the device (and machine).

PR: 158734, 109980
Reported by: Antonio Huete Jimenez <tuxillo at quantumachine.net>
Marat N.Afanasyev <marat at zealot.ksu.ru>
reviewed by: kp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D26797

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When booting a system with WITHOUT_IPFILTER the following errors
are encountered at boot time:

rcorder: requirement `ipfs' in file `/etc/rc.d/netif' has no providers.
rcorder: requirement `ipfilter'

When booting a system with WITHOUT_IPFILTER the following errors
are encountered at boot time:

rcorder: requirement `ipfs' in file `/etc/rc.d/netif' has no providers.
rcorder: requirement `ipfilter' in file `/etc/rc.d/netif' has no
providers.
rcorder: requirement `ipfilter' in file `/etc/rc.d/netwait' has no
providers.
rcorder: requirement `ipfilter' in file `/etc/rc.d/net_watchdog' has no
providers.
rcorder: requirement `ipfilter' in file `/etc/rc.d/securelevel' has no
providers.

Listing its own requrements in BEFORE rather than use REQUIRE of
non-optional scripts resolves this issue.

The issue was discovered and patched by glebius at Netflix.

Submitted by: glebius
Reported by: glebius
MFC after: 1 week

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Move the rc framework out of sbin/init into libexec/rc.

The reasons for this are forward looking to pkgbase:
* /sbin/init is a special binary; try not to replace it with
every package update bec

Move the rc framework out of sbin/init into libexec/rc.

The reasons for this are forward looking to pkgbase:
* /sbin/init is a special binary; try not to replace it with
every package update because an rc script was touched.
(a follow-up commit will make init its own package)
* having rc in its own place will allow more easy replacement
of the rc framework with alternatives, such as openrc.

Discussed with: brd (during BSDCam), kmoore
Requested by: cem, bz
PR: 231522
Approved by: re (gjb)

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