[strongSwan] Logging configuration with swanctl.conf

[bls s]

I'm trying to enable strongswan logging in order to submit a question, but I can't seem to get logging set up correctly with swanctl.conf Here's what I added to swanctl.conf. How can I get logging enabled in this configuration? This is strongswan 5.6.3 on latest Raspbian/Debian.

Thanks!

charon-systemd {
    filelog {
        /var/log/charon_debug.log {
            time_format = %a, %Y-%m-%d %R
            default = 2
            mgr = 0
            net = 1
            enc = 1
            asn = 1
            job = 1
            ike_name = yes
            append = no
            flush_line = yes
        }
}
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