OPNSense/core 532f397src/etc config.xml.sample, src/etc/inc system.inc

sysctl: maxdgram --> 8192. closes https://github.com/opnsense/core/issues/3806

(cherry picked from commit 8917f1c06f18931bb52cc0fdb005c651bccc9f4b)
(cherry picked from commit 4a4d72afd8f482813ccd9057f33f1269f03ddf9d)
(cherry picked from commit 548932a71a3755050e3767050afe90dc0782c836)
DeltaFile
+9-8src/etc/inc/system.inc
+5-0src/etc/config.xml.sample
+14-82 files

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