Comment 17 for bug 1918410

I've tested isc-dhcp 4.4.1-2.3ubuntu2.1 from jammy-proposed. Works as expected.

root@jj-dhcp:~# apt list isc-dhcp-client -a
Listing... Done
isc-dhcp-client/jammy-proposed,now 4.4.1-2.3ubuntu2.1 amd64 [installed]

I can see no 'dhclient' entries in dmesg after the initial "apparmor_parser -r /etc/apparmor.d/sbin.dhclient" reload (neither after 'netplan apply', nor after reboot):

$ dmesg | grep dhclient
[...]
[325421.280166] audit: type=1400 audit(1655986215.663:4563): apparmor="STATUS" operation="profile_replace" label="lxd-jj-dhcp_</var/snap/lxd/common/lxd>//&:lxd-jj-dhcp_<var-snap-lxd-common-lxd>:unconfined" name="/{,usr/}sbin/dhclient" pid=1553222 comm="apparmor_parser"

dynamic IP address is assigned via NetworkManager:
$ ip addr show eth0
[...]
174: eth0@if175: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:16:3e:2f:0b:19 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 10.238.94.79/24 brd 10.238.94.255 scope global dynamic noprefixroute eth0
       valid_lft 3596sec preferred_lft 3596sec

$ nmcli -o
eth0: connected to netplan-eth0
        "eth0"
        ethernet (veth), 00:16:3E:2F:0B:19, sw, mtu 1500
        ip4 default
        inet4 10.238.94.79/24
[...]