Disconnect all VPN connections for a given user name:

./sacli –user <USER_NAME> DisconnectUser

Disconnect all VPN connections for a given user name with a reason:

./sacli –user <USER_NAME> –client_reason <TEXT> DisconnectUser

Disconnect all VPN connections for a given user name with an invitation to auto-reconnect:

./sacli –user <USER_NAME> –restart –psid DisconnectUser