Comment 9 for bug 1716964

test ppa: https://launchpad.net/~ddstreet/+archive/ubuntu/lp1716964

root@vlan-artful:~# dpkg -l | grep vlan
ii vlan 1.9-3.2ubuntu4 amd64 user mode programs to enable VLANs on your ethernet devices

root@vlan-artful:~# cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d

auto eth0
iface eth0 inet dhcp
  ip-rp-filter 2

root@vlan-artful:~# systemctl restart networking
root@vlan-artful:~# cat /proc/sys/net/ipv4/conf/eth0/rp_filter
1

root@vlan-artful:~# apt install vlan
...
root@vlan-artful:~# dpkg -l | grep vlan
ii vlan 1.9-3.2ubuntu5 amd64 user mode programs to enable VLANs on your ethernet devices
root@vlan-artful:~# systemctl restart networking
root@vlan-artful:~# cat /proc/sys/net/ipv4/conf/eth0/rp_filter
2