From the logs, happens every time I connect via usb. The phone is a droid4 running cyanogen 10.2.
:01:57 Pineapple daemon.notice netifd: Interface 'usb' is now down 00:01:57 Pineapple daemon.notice netifd: Interface 'usb' is now down 00:01:56 Pineapple user.notice usb-modeswitch: 1-1:1.0: Manufacturer=? Product=? Serial=? 00:01:56 Pineapple user.notice root: Mobile.Keepalive: Still Redialing... 00:01:56 Pineapple user.notice root: Mobile.Keepalive: Preventing Duplicate Self. 00:01:56 Pineapple kern.info kernel: [ 116.850000] usb 1-1: new high-speed USB device number 58 using ehci-platform 00:01:56 Pineapple kern.info kernel: [ 116.540000] usb 1-1: USB disconnect, device number 57 00:01:56 Pineapple kern.info kernel: [ 116.540000] rndis_host 1-1:1.0: usb0: unregister 'rndis_host' usb-ehci-platform-1, RNDIS device 00:01:56 Pineapple kern.info kernel: [ 116.460000] rndis_host 1-1:1.0: usb0: register 'rndis_host' at usb-ehci-platform-1, RNDIS device, 4a:1f:0c:04:03:8b 00:01:56 Pineapple kern.info kernel: [ 116.310000] usb 1-1: new high-speed USB device number 57 using ehci-platform 00:01:56 Pineapple kern.info kernel: [ 116.020000] usb 1-1: USB disconnect, device number 56 00:01:56 Pineapple kern.info kernel: [ 116.020000] rndis_host 1-1:1.0: usb0: unregister 'rndis_host' usb-ehci-platform-1, RNDIS device 00:01:56 Pineapple kern.err kernel: [ 116.710000] usbserial: `0x' invalid for parameter `product'