- container_cpu_usage_seconds --> container_cpu_usage_seconds_total
  This is a partial revert of [#86282](https://github.com/kubernetes/kubernetes/pull/86282), which was added in 1.18.0, and initially removed the _total suffix ([#89540](https://github.com/kubernetes/kubernetes/pull/89540), [@dashpole](https://github.com/dashpole)) [SIG Instrumentation and Node]

* fix: azure disk detach failure if node not exists ([#82640](https://github.com/kubernetes/kubernetes/pull/82640), [@andyzhangx](https://github.com/andyzhangx))
* Fix the dns suffix search list for GCE window clusters. ([#82314](https://github.com/kubernetes/kubernetes/pull/82314), [@lzang](https://github.com/lzang))



# v1.15.4

[Documentation](https://docs.k8s.io)

procedures, authorization keys, or other information required to install
and execute modified versions of a covered work in that User Product from
a modified version of its Corresponding Source.  The information must
suffice to ensure that the continued functioning of the modified object
code is in no case prevented or interfered with solely because
modification has been made.

</li>
<li>
Hexadecimal <a href="#Floating-point_literals">floating-point literals</a> may be written using the prefixes
<code>0x</code> and <code>0X</code>.
</li>
<li>
The <a href="#Imaginary_literals">imaginary suffix</a> <code>i</code> may be used with any (binary, decimal, hexadecimal)
integer or floating-point literal, not just decimal literals.
</li>
<li>

pkg go/build, type Context struct, Dir string
pkg go/doc, func NewFromFiles(*token.FileSet, []*ast.File, string, ...interface{}) (*Package, error)
pkg go/doc, type Example struct, Suffix string
pkg go/doc, type Func struct, Examples []*Example
pkg go/doc, type Package struct, Examples []*Example
pkg go/doc, type Type struct, Examples []*Example
pkg hash/maphash, func MakeSeed() Seed

 $fs-unit: if(type-of($fs) == \"number\", unit($fs), false);\n\n  // Add !important suffix if needed\n  $rfs-suffix: if($important, \" !important\", \"\");\n\n  // If $fs isn't a number (like inherit) or $fs has a unit (not px or rem, like 1.5em) or $ is 0, just print the value\n  @if not $fs-unit or $fs-unit != \"\" and $fs-unit != \"px\" and $fs-unit != \"rem\" or $fs == 0 {\n    font-size: #{$fs}#{$rfs-suffix};\n  }\n  @else {\n    // Remove unit from $fs for calculations\n    @if $fs-unit ==...