Each time Linux boots on the DB410c, the wifi MAC address is different each time. Also, the wlan interface increments (wlan0, wlan1, wlan2, etc.) Searching through dmesg, here is what I found is happening:
[ 18.699448] wcn36xx wcn36xx: Direct firmware load for wlan/macaddr0 failed with error -2
[ 78.706855] wcn36xx wcn36xx: Failed (-11) to read macaddress file wlan/macaddr0, using a random address instead
[ 78.706968] wcn36xx: mac address: 00:0a:f5:60:11:d5
This prevents the board from reacquiring network access on boot up. As a work around, the user can go to Preferences ... Network Connections, and edit their existing network connection, and select the new MAC address from the pull down. It will then automatically sign in to the access point.