Here is the debug info. As before, I had to log in and out of the app multiple times before all aspects of the webapp responded properly without kicking me back to the login page.
Dec 10 12:28:35 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Response from app contained our cookie: 2493884608.20480.0000
Dec 10 12:28:35 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Encrypted error cookie to: %a4%b1%22%df%aceqZ%d9Il%a2%a5%03%03%5b%e6%9f%88%13.%c3%e8%b2Ef%d4%dbP%1d%c6G%fc%9a%98%06v%bdc%1b%db%b8%0e%d5%0c%c7%fc%e7
Dec 10 12:28:35 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Original error cookie value: %a4%b1%22%df%aceqZ%d9Il%a2%a5%03%03%5b%e6%9f%88%13.%c3%e8%b2Ef%d4%dbP%1d%c6G%fc%9a%98%06v%bdc%1b%db%b8%0e%d5%0c%c7%fc%e7
Dec 10 12:28:35 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : $cookie_uri_decoded was set successfully
Dec 10 12:28:35 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : $cookie_decrypted: 2493884608.20480.0000
Dec 10 12:28:35 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Response from app contained our cookie: 2493884608.20480.0000
Dec 10 12:28:35 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Encrypted error cookie to: %a4%b1%22%df%aceqZ%d9Il%a2%a5%03%03%5b%e6%9f%88%13.%c3%e8%b2Ef%d4%dbP%1d%c6G%fc%9a%98%06v%bdc%1b%db%b8%0e%d5%0c%c7%fc%e7
Dec 10 12:28:36 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Original error cookie value: %a4%b1%22%df%aceqZ%d9Il%a2%a5%03%03%5b%e6%9f%88%13.%c3%e8%b2Ef%d4%dbP%1d%c6G%fc%9a%98%06v%bdc%1b%db%b8%0e%d5%0c%c7%fc%e7
Dec 10 12:28:36 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : $cookie_uri_decoded was set successfully
Dec 10 12:28:36 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : $cookie_decrypted: 2493884608.20480.0000
Dec 10 12:28:37 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Original error cookie value: %a4%b1%22%df%aceqZ%d9Il%a2%a5%03%03%5b%e6%9f%88%13.%c3%e8%b2Ef%d4%dbP%1d%c6G%fc%9a%98%06v%bdc%1b%db%b8%0e%d5%0c%c7%fc%e7
Dec 10 12:28:37 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : $cookie_uri_decoded was set successfully
Dec 10 12:28:37 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : $cookie_decrypted: 2493884608.20480.0000
Dec 10 12:28:37 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Original error cookie value: %a4%b1%22%df%aceqZ%d9Il%a2%a5%03%03%5b%e6%9f%88%13.%c3%e8%b2Ef%d4%dbP%1d%c6G%fc%9a%98%06v%bdc%1b%db%b8%0e%d5%0c%c7%fc%e7
Dec 10 12:28:37 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : $cookie_uri_decoded was set successfully
Dec 10 12:28:37 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : $cookie_decrypted: 2493884608.20480.0000
Dec 10 12:28:37 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Response from app contained our cookie: 2493884608.20480.0000
Dec 10 12:28:37 tmm tmm[1096]: Rule Enterprise_F5_Fix_with_E35-THD_cookie_encrypt : Encrypted error cookie to: %a4%b1%22%df%aceqZ%d9Il%a2%a5%03%03%5b%e6%9f%88%13.%c3%e8%b2Ef%d4%dbP%1d%c6G%fc%9a%98%06v%bdc%1b%db%b8%0e%d5%0c%c7%fc%e7