This bug was fixed in the package isc-dhcp - 4.3.5-3ubuntu7.2
--------------- isc-dhcp (4.3.5-3ubuntu7.2) bionic; urgency=medium
* Fix env variable for INTERFACES (LP: #1894172) - d/isc-dhcp-server.isc-dhcp-server{,6}.service: Replace $INTERFACES variable with $INTERFACEv4 and $INTERFACESv6, respectively, for respective services file.
-- Utkarsh Gupta <email address hidden> Wed, 10 Mar 2021 19:57:51 +0530
This bug was fixed in the package isc-dhcp - 4.3.5-3ubuntu7.2
---------------
isc-dhcp (4.3.5-3ubuntu7.2) bionic; urgency=medium
* Fix env variable for INTERFACES (LP: #1894172) server. isc-dhcp- server{ ,6}.service: Replace $INTERFACES
- d/isc-dhcp-
variable with $INTERFACEv4 and $INTERFACESv6, respectively, for
respective services file.
-- Utkarsh Gupta <email address hidden> Wed, 10 Mar 2021 19:57:51 +0530