Comment 13 for bug 1666432

I too am having this issue, and at times now it will not reconnect.

  *-network
       description: Wireless interface
       product: Wireless 8260
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlan0
       version: 3a
       serial: f0:d5:bf:e6:21:39
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlwifi driverversion=4.4.0-96-generic firmware=16.242414.0 ip=192.168.37.145 latency=0 link=yes multicast=yes wireless=IEEE 802.11abg
       resources: irq:134 memory:ddc00000-ddc01fff

Dell precision 5510, Ubuntu 16.04 lts. I only use WiFi, no hardwired Ethernet connection.