Comment 0 for bug 1587131

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marco.pallotta (marco-pallotta) wrote : 4-Way Handshake failed" connecting Wi-Fi after boot; retrying repeatedly eventually succeeds

This is in someway related to bug https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/931303 that is that this last was marked by fix-released (maybe related to just Broadcom BCM4321 wl) but it's still present and it's not related to one card rather than another.
This bug is present, for example, in Ubuntu 12.04 and Intel Corporation PRO/Wireless 3945ABG as well as in both Ubuntu 14.04 and 16.04 and Realtek RTL8723BE PCIe Wireless Network Adapter (full bios update).