[ubuntu] Ubuntu 9.10 network-manger stopping stops all wireless access for 5 seconds

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http://ubuntuforums.org – I've observed this recently with my wireless/hardware configuration. Has anyone else encountered a similar issue? When I shutdown my laptop, the other wireless devices connected to the same router have a moment (5 seconds) of unable to connect. Everything returns in a few seconds. Router logs don't appear to indicate a failure. Laptop: IBM Thinkpad T61 NIC: 03:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61) Router: D-Link DIR-655 - Hardware version: A4, Firmware version: 1.21 (HowTos)