Downloaded linux-modules-5.15.0-1042-raspi_5.15.0-1042.45_arm{64,hf}.deb from jammy-proposed, extracted them and verified the modules are present:
find arm* -name nbd.ko arm64/lib/modules/5.15.0-1042-raspi/kernel/drivers/block/nbd.ko armhf/lib/modules/5.15.0-1042-raspi/kernel/drivers/block/nbd.ko
Downloaded linux-modules- 5.15.0- 1042-raspi_ 5.15.0- 1042.45_ arm{64, hf}.deb from jammy-proposed, extracted them and verified the modules are present:
find arm* -name nbd.ko modules/ 5.15.0- 1042-raspi/ kernel/ drivers/ block/nbd. ko modules/ 5.15.0- 1042-raspi/ kernel/ drivers/ block/nbd. ko
arm64/lib/
armhf/lib/