modules/view/README: mention v4-mapped-on-v6 syntax

Related #445
33 jobs for doc-system-socket-ipv6-dualstack in 26 minutes and 43 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Build
passed #229974
amd64 linux docker
build:asan:linux:amd64

00:01:14

passed #229973
amd64 linux docker
build:linux:amd64

00:01:17

passed #229975
amd64 linux docker
build:turris:omnia

00:01:14

passed #229976
amd64 linux docker allowed to fail
srpm

00:00:44

 
  Test
passed #230005
amd64 linux docker
deckard:linux:amd64

00:01:09

passed #229993
privileged
distro:epel-7

00:02:17

passed #229992
privileged
distro:fedora-29

00:02:50

passed #229984
docker
doc

00:00:54

passed #229982
dind
docker:build

00:02:34

passed #229983
amd64 linux docker
installcheck:linux:amd64

00:01:23

passed #229986
amd64 linux docker
installcheck:valgrind:linux:amd64

00:02:19

passed #229979
docker
lint:c

00:02:31

passed #229980
docker
lint:clang-scan-build

00:01:23

passed #229978
docker
lint:lua

00:00:24

passed #229977
amd64 linux docker
lint:pedantic

00:01:13

passed #229987
docker
osx:build

00:02:27

passed #229989
amd64 linux docker
pytests:lint

00:00:48

passed #229990
amd64 linux docker
pytests:run

00:02:11

passed #229991
amd64 linux docker
respdiff:iter:udp:linux:amd64

00:02:12

passed #229981
amd64 linux docker
test:linux:amd64

00:00:46

passed #229988
amd64 linux docker
test:linux:amd64:valgrind

00:01:39

failed #229985
amd64 linux docker
deckard:linux:amd64

00:01:21

 
  Extended
passed #229994
amd64 linux docker
pytests:extended

00:03:08

failed #229995
respdiff
respdiff:fwd-tls6-kresd.udp6

00:12:19

passed #229996
respdiff
respdiff:fwd-udp6-kresd.udp6

00:09:50

failed #230000
respdiff
respdiff:fwd-udp6-unbound.tcp6

00:15:21

passed #230001
respdiff
respdiff:fwd-udp6-unbound.tls6

00:21:22

passed #229999
respdiff
respdiff:fwd-udp6-unbound.udp6

00:08:21

failed #229998
respdiff
respdiff:iter.tls6

00:17:52

failed #229997
respdiff
respdiff:iter.udp6

00:09:52

passed #230002
respdiff
resperf:fwd-tls6.udp-asan

00:20:18

passed #230003
respdiff
resperf:fwd-udp6.udp-asan

00:15:17

passed #230004
respdiff
resperf:iter.udp-asan

00:17:47

 
Name Stage Failure
failed
respdiff:fwd-udp6-unbound.tcp6 Extended
Running after script...
$ cp -t . respdiff_commitdir/$RESPDIFF_TEST/j* ||:
$ cp -t . respdiff_commitdir/*$RESPDIFF_TEST*.png ||:
Uploading artifacts...
Runtime platform arch=amd64 os=linux pid=1086259 revision=f100a208 version=11.6.0
./j*: found 11 matching files

./*.png: found 3 matching files

Uploading artifacts to coordinator... ok
id=230000 responseStatus=201 Created token=7o7Uck22
ERROR: Job failed: exit status 1
failed
respdiff:iter.tls6 Extended
Running after script...
$ cp -t . respdiff_commitdir/$RESPDIFF_TEST/j* ||:
$ cp -t . respdiff_commitdir/*$RESPDIFF_TEST*.png ||:
Uploading artifacts...
Runtime platform arch=amd64 os=linux pid=1086399 revision=f100a208 version=11.6.0
./j*: found 11 matching files

./*.png: found 3 matching files

Uploading artifacts to coordinator... ok
id=229998 responseStatus=201 Created token=ncyyziq6
ERROR: Job failed: exit status 1
failed
respdiff:fwd-tls6-kresd.udp6 Extended
Running after script...
$ cp -t . respdiff_commitdir/$RESPDIFF_TEST/j* ||:
$ cp -t . respdiff_commitdir/*$RESPDIFF_TEST*.png ||:
Uploading artifacts...
Runtime platform arch=amd64 os=linux pid=1086066 revision=f100a208 version=11.6.0
./j*: found 11 matching files

./*.png: found 3 matching files

Uploading artifacts to coordinator... ok
id=229995 responseStatus=201 Created token=qPekEGWg
ERROR: Job failed: exit status 1
failed
respdiff:iter.udp6 Extended
Running after script...
$ cp -t . respdiff_commitdir/$RESPDIFF_TEST/j* ||:
$ cp -t . respdiff_commitdir/*$RESPDIFF_TEST*.png ||:
Uploading artifacts...
Runtime platform arch=amd64 os=linux pid=1085957 revision=f100a208 version=11.6.0
./j*: found 11 matching files

./*.png: found 3 matching files

Uploading artifacts to coordinator... ok
id=229997 responseStatus=201 Created token=eJiTpBDR
ERROR: Job failed: exit status 1