This bug was fixed in the package initramfs-tools - 0.133ubuntu9
--------------- initramfs-tools (0.133ubuntu9) eoan; urgency=medium
* Add support for creating VLANs via vlan=eth0.1:eth0 on kernel commandline, and as VLAN= conf.d snippet. LP: #1382054
-- Dimitri John Ledkov <email address hidden> Fri, 14 Jun 2019 14:46:05 +0100
This bug was fixed in the package initramfs-tools - 0.133ubuntu9
---------------
initramfs-tools (0.133ubuntu9) eoan; urgency=medium
* Add support for creating VLANs via vlan=eth0.1:eth0 on kernel
commandline, and as VLAN= conf.d snippet. LP: #1382054
-- Dimitri John Ledkov <email address hidden> Fri, 14 Jun 2019 14:46:05 +0100