Fix typos in man pages under /share/man

Found using: devel/py-proselint

rtnetlink.4: Fix a typo in the manual pag

- s/constists/consists/

MFC after: 3 days

Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

netlink: Fix "version introduced" documentation

netlink(4) and associated features will exist in FreeBSD 14.0 but they
will also exist in 13.2, an older version, from commits such as 02b958b1
and b3

netlink: Fix "version introduced" documentation

netlink(4) and associated features will exist in FreeBSD 14.0 but they
will also exist in 13.2, an older version, from commits such as 02b958b1
and b309249b.

This commit needs merging to stable/13 and releng/13.2.

MFC after: 2days (needs to be in RC2)
Reviewed by: imp,melifaro
Pull Request: https://github.com/freebsd/freebsd-src/pull/651

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netlink: return optional metadata with the operation result.

Some operations like interface creation may need to return metadata
- in this case, interface name - back to the caller if the operation

netlink: return optional metadata with the operation result.

Some operations like interface creation may need to return metadata
- in this case, interface name - back to the caller if the operation
is successful.
This change implements attaching an `NLMSGERR_ATTR_COOKIE` nla to the
operation reply message via `nlmsg_report_cookie()`.
Additionally, on successful interface creation, interface index and
interface name are returned in the `IFLA_NEW_IFINDEX` and `IFLA_IFNAME
TLVs, encapsulated in the `NLMSGERR_ATTR_COOKIE`.

Reviewed By: pauamma
Differential Revision: https://reviews.freebsd.org/D38283
MFC after: 1 week

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netlink: allow creating sockets with SOCK_DGRAM.

Some existing applications setup Netlink socket with
SOCK_DGRAM instead of SOCK_RAW. Update the manpage to clarify
that the default way of creating t

netlink: allow creating sockets with SOCK_DGRAM.

Some existing applications setup Netlink socket with
SOCK_DGRAM instead of SOCK_RAW. Update the manpage to clarify
that the default way of creating the socket should be with
SOCK_RAW. Update the code to support both SOCK_RAW and SOCK_DGRAM.

Reviewed By: pauamma
Differential Revision: https://reviews.freebsd.org/D38075

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netlink: improve RTM_GETADDR handling.

* Allow filtering by ifa_family & ifa_index.
* Add common RTM_<NEW|DEL|GET>ADDR parser
* Add tests verifying RTM_GETADDR filtering behaviour & output
* Factor

netlink: improve RTM_GETADDR handling.

* Allow filtering by ifa_family & ifa_index.
* Add common RTM_<NEW|DEL|GET>ADDR parser
* Add tests verifying RTM_GETADDR filtering behaviour & output
* Factor out common netlink socket test methods into NetlinkTestTemplate
* Add NLMSG_DONE message handler

Reviewed By: pauamma
Differential Revision: https://reviews.freebsd.org/D37970

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netlink: improve interface handling

* Separate interface creation from interface modification code
* Support setting some interface attributes (ifdescr, mtu, up/down, promisc)
* Improve interaction

netlink: improve interface handling

* Separate interface creation from interface modification code
* Support setting some interface attributes (ifdescr, mtu, up/down, promisc)
* Improve interaction with the cloners requiring to parse/write custom
interface attributes
* Add bitmask-based way of checking if the attribute is present in the
message
* Don't use multipart RTM_GETLINK replies when searching for the
specific interface names
* Use ENODEV instead of ENOENT in case of failed RTM_GETLINK search
* Add python netlink test helpers
* Add some netlink interface tests

Differential Revision: https://reviews.freebsd.org/D37668

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netlink: add netlink user documentation.

Add netlink(4) as a "frontend" manpage describing netlink in general.
Add rtnelink(4) describing supported commands and attributes in
NETLINK_ROUTE family.
A

netlink: add netlink user documentation.

Add netlink(4) as a "frontend" manpage describing netlink in general.
Add rtnelink(4) describing supported commands and attributes in
NETLINK_ROUTE family.
Add genetlink(4) describing generic netlink API.

Reviewed by: pauamma
Differential Revision: https://reviews.freebsd.org/D37011

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