cause its a bit difficult from the logs to tie the ip address to the session as it only states the ip address from the session when the ip disconnects.
4969: : session 002000000000000002: realm <mydomain.com> user <>: incoming packet message processed, error 401: Unauthorized
4970: : session 002000000000000002: realm <mydomain.com> user <useradam>: incoming packet message processed, error 401: Unauthorized
4973: : session 002000000000000002: TLS/TCP socket disconnected: 1.2.3.4:10035
4973: : session 002000000000000002: usage: realm=<mydomain.com>, username=<useradam>, rp=2, rb=140, sp=2, sb=184
4973: : session 002000000000000002: peer usage: realm=<mydomain.com>, username=<useradam>, rp=0, rb=0, sp=0, sb=0
4973: : session 002000000000000002: closed (2nd stage), user <useradam> realm <mydomain.com> origin <>, local 5.6.7.8:3478, remote 1.2.3.4:10035, reason: TLS/TCP socket buffer operation error (callback)
so from here we can see session 002000000000000002 gets 2 401 and we only can see the ip address once they disconnect.