AC SAML: NetworkManager agent timeouts seem to gate login
Error Message Thrown
"The VPN connection "VPN" failed because there were no valid VPN secrets."
Debug Information
Jun 18 20:38:54 BINARY-EATER-LT NetworkManager[543]: <debug> [1655609934.0128] agent-manager: agent[a64655055381fb60,:1.17/org.freedesktop.nm-applet/17273]: agent failed secrets request [e5cb8c5589839194/"VPN"/"vpn"]: Timeout was reached
Jun 18 20:38:54 BINARY-EATER-LT NetworkManager[543]: <debug> [1655609934.0129] settings-connection[5fc9e43e6798ecd4,cb682197-7245-43f2-9764-e26cac5634b6]: (vpn:0x7fa364003400) secrets request error: No agents were available for this request.
Jun 18 20:38:54 BINARY-EATER-LT NetworkManager[543]: <warn> [1655609934.0129] vpn[0x55d618fa2240,cb682197-7245-43f2-9764-e26cac5634b6,"VPN"]: secrets: failed to request VPN secrets #3: No agents were available for this request.
https://wiki.gnome.org/Projects/NetworkManager/Debugging#Other_NetworkManager_Debugging
General Notes
Seems specific to AnyConnect and SAML. Cannot replicate this issue with AnyConnect gateways that do not use SAML.