[strongSwan] Separate devices connecting with same user-based credentials (Virtual IP)

[Tobias Brunner]

Hi Luke,

Have you set `uniqueids=never` [1]?  Otherwise, any existing SA with the
same client ID is terminated and the virtual IP gets released and
reassigned on the new SA.

Regards,
Tobias

[1] https://wiki.strongswan.org/projects/strongswan/wiki/ConfigSetupSection