bump libnetwork 90afbb01e1d8acacb505a092744ea42b9f167377

full diff: moby/libnetwork@0025177...90afbb0

includes:

- docker/libnetwork#/2459 Fix Error Check in NewNetwork
- docker/libnetwork#/2466 Revert "Merge pull request moby#2339 from phyber/iptables-check"
    - reverts docker/libnetwork#/2339 controller: Check if IPTables is enabled for arrangeUserFilterRule
    - re-opens moby/libnetwork#2158 dockerd when run with --iptables=false modifies iptables by adding DOCKER-USER
    - re-opens moby#35777 With iptables=false dockerd still creates DOCKER-USER chain and rules
    - re-opens docker/for-linux#136 dockerd --iptables=false adds DOCKER-USER chain and modify FORWARD chain anyway

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

hack/dockerfile/install/proxy.installer

@@ -3,7 +3,7 @@
 # LIBNETWORK_COMMIT is used to build the docker-userland-proxy binary. When
 # updating the binary version, consider updating github.com/docker/libnetwork
 # in vendor.conf accordingly
-: ${LIBNETWORK_COMMIT:=0025177e3dabbe0de151be0957dcaff149d43536}
+: "${LIBNETWORK_COMMIT:=90afbb01e1d8acacb505a092744ea42b9f167377}"
 
 install_proxy() {
 	case "$1" in

vendor.conf

@@ -38,7 +38,7 @@ github.com/gofrs/flock                              392e7fae8f1b0bdbd67dad7237d2
 # libnetwork
 
 # When updating, also update LIBNETWORK_COMMIT in hack/dockerfile/install/proxy.installer accordingly
-github.com/docker/libnetwork                        0025177e3dabbe0de151be0957dcaff149d43536
+github.com/docker/libnetwork                        90afbb01e1d8acacb505a092744ea42b9f167377
 github.com/docker/go-events                         9461782956ad83b30282bf90e31fa6a70c255ba9
 github.com/armon/go-radix                           e39d623f12e8e41c7b5529e9a9dd67a1e2261f80
 github.com/armon/go-metrics                         eb0af217e5e9747e41dd5303755356b62d28e3ec