Unknown lvalue 'LazyUnmount' in section 'Mount'

snapd
1

Can someone speak to these messages? Would prefer them not be in our production device logs. This is Ubuntu 16.04.

Mar 31 22:00:26 bat systemd[1]: [/etc/systemd/system/snap-bw-15.mount:10] Unknown lvalue 'LazyUnmount' in section 'Mount'
Mar 31 22:00:26 bat systemd[1]: [/etc/systemd/system/snap-microk8s-1294.mount:10] Unknown lvalue 'LazyUnmount' in section 'Mount'
Mar 31 22:00:26 bat systemd[1]: [/etc/systemd/system/snap-core-8935.mount:10] Unknown lvalue 'LazyUnmount' in section 'Mount'
Mar 31 22:00:26 bat systemd[1]: [/etc/systemd/system/snap-core-8689.mount:10] Unknown lvalue 'LazyUnmount' in section 'Mount'
Mar 31 22:00:26 bat systemd[1]: [/etc/systemd/system/snap-bw-14.mount:10] Unknown lvalue 'LazyUnmount' in section 'Mount'
Mar 31 22:00:26 bat systemd[1]: [/etc/systemd/system/snap-large\x2dpcap\x2danalyzer-111.mount:10] Unknown lvalue 'LazyUnmount' in section 'Mount'
2

These messages are harmless and are a result of using a new systemd feature in unit files that the old systemd in 16.04 does not support.