The upstream patch was included in NM 1.2.2 so Yakkety is not affected, only Xenial is.
The attached debdiff contains the upstream patch backported to Xenial. The resulting package resolve the issue. If anything is missing for the SRU process, please let me know. ** Patch added: "lp1568829.debdiff" https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/1568829/+attachment/4715531/+files/lp1568829.debdiff -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager-applet in Ubuntu. https://bugs.launchpad.net/bugs/1568829 Title: nm-applet icon not showing when /proc is mounted with hidepid!=0 Status in Network Manager Applet: New Status in network-manager-applet package in Ubuntu: Confirmed Bug description: Steps to reproduce: 1. (Re-)mount /proc with hidepid=1 (or =2) 2. Restart nm-applet nm-applet's icon does not reappear after the restart. This used to work with version 1.0. Original bug description: Since I upgraded to -proposed network-manager and network-manager-gnome versions, nm-applet no longer works. Manually starting it on a console give: $ nm-applet (nm-applet:6250): nm-applet-WARNING **: GDBus.Error:org.freedesktop.NetworkManager.AgentManager.PermissionDenied: Unable to determine request sender and UID. (nm-applet:6250): libnm-CRITICAL **: nm_client_get_nm_running: assertion 'NM_IS_CLIENT (client)' failed (nm-applet:6250): libnm-CRITICAL **: nm_client_get_state: assertion 'NM_IS_CLIENT (client)' failed (nm-applet:6250): libnm-CRITICAL **: nm_client_networking_get_enabled: assertion 'NM_IS_CLIENT (client)' failed (nm-applet:6250): libnm-CRITICAL **: nm_client_wireless_get_enabled: assertion 'NM_IS_CLIENT (client)' failed (nm-applet:6250): libnm-CRITICAL **: nm_client_wireless_hardware_get_enabled: assertion 'NM_IS_CLIENT (client)' failed (nm-applet:6250): libnm-CRITICAL **: nm_client_wwan_get_enabled: assertion 'NM_IS_CLIENT (client)' failed (nm-applet:6250): libnm-CRITICAL **: nm_client_wwan_hardware_get_enabled: assertion 'NM_IS_CLIENT (client)' failed (nm-applet:6250): libnm-CRITICAL **: nm_client_get_devices: assertion 'NM_IS_CLIENT (client)' failed What's odd is the NM and NM-gnome base versions are not identical: $ apt-cache policy network-manager network-manager-gnome network-manager: Installed: 1.1.93-0ubuntu1 Candidate: 1.1.93-0ubuntu1 Version table: *** 1.1.93-0ubuntu1 500 500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages 100 /var/lib/dpkg/status 1.0.4-0ubuntu10 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages network-manager-gnome: Installed: 1.1.93-1ubuntu1 Candidate: 1.1.93-1ubuntu1 Version table: *** 1.1.93-1ubuntu1 500 500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages 100 /var/lib/dpkg/status 1.0.10-1ubuntu1 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: network-manager-gnome 1.1.93-1ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6 Uname: Linux 4.4.0-18-generic x86_64 NonfreeKernelModules: zfs zunicode zcommon znvpair zavl ApportVersion: 2.20.1-0ubuntu1 Architecture: amd64 CurrentDesktop: Unity Date: Mon Apr 11 08:16:59 2016 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: network-manager-applet UpgradeStatus: No upgrade log present (probably fresh install) nmcli-con: Error: command ['nmcli', '-f', 'all', 'con'] failed with exit code 1: (process:7301): nmcli-CRITICAL **: Error: Could not create NMClient object: Unable to authenticate request.. nmcli-dev: Error: command ['nmcli', '-f', 'all', 'dev'] failed with exit code 1: (process:7297): nmcli-CRITICAL **: Error: Could not create NMClient object: Unable to authenticate request.. nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'. To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager-applet/+bug/1568829/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

