Use netstat on sunos.

Fixes #14184
Merge branch 'issue-14184' of https://github.com/nshalman/salt into nshalman-issue-14184
Fix lint from #15422

@nshalman, when you use strings they are loaded into memory, and if
a string is never referenced then it is just wasted ram, so these should
stay comments :)
Merge pull request #15433 from thatch45/nshalman-issue-14184

merge #15422