Description: vhost: Check docket sk_family instead of call getname
References:
 https://lkml.org/lkml/2020/2/15/125
Notes:
Bugs:
upstream: released (5.6-rc4) [42d84c8490f9f0931786f1623191fcab397c3d64]
4.19-upstream-stable: released (4.19.108) [ad598a48fe61c6c2407f08a807cb7a2ea83386b3]
4.9-upstream-stable: released (4.9.216) [7f574e92e4474f1b33425c4ee9ba48cd4fbe7d75]
3.16-upstream-stable: needed
sid: pending (5.5.13-1)
4.19-buster-security: needed
4.9-stretch-security: needed
3.16-jessie-security: needed