Guest: DragonFly dfbsd 6.5-DEVELOPMENT, QEMU/KVM, 6 vCPU, hw.ncpu=6 Kernel A (stock, INVARIANTS): DragonFly 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64 Kernel B (built in-guest, INVARIANTS off): DragonFly 6.5-DEVELOPMENT #0: Sun Sep 13 01:13:18 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/PRNOINV x86_64 (config = X86_64_GENERIC with "options INVARIANTS" and "makeoptions DEBUG=-g" commented out) Compiler: cc (DragonFly) ~12; module builds via make -m /usr/src/share/mk Modules available in /boot/kernel: ip_mroute.ko, ipfw.ko, ipfw3.ko, ipfw3_basic.ko, ... vtnet0 = 10.0.2.15 (QEMU user-net), lo0 = 127.0.0.1 hz=100 (TBF_REPROCESS = hz/100 = 10ms) kern.conftxt includes: options INVARIANTS (stock), MROUTING available as KLD only