vyos@r14:~$ 
vyos@r14:~$ ls -la /etc/dhcp/dhclient-exit-hooks.d
total 31
drwxr-xr-x 1 root root 4096 Apr  3 13:31 .
drwxr-xr-x 1 root root 4096 Apr  2 11:11 ..
-rw-r--r-- 1 root root 4272 Jan 11  2021 01-vyos-cleanup
-rw-r--r-- 1 root root 3968 Jan 11  2021 02-vyos-dhcp-renew-rfc3442
-rwxr-xr-x 1 root root  148 Jan 11  2021 99-run-user-hooks
-rw-r--r-- 1 root root  623 Jan 27 23:51 chrony
lrwxrwxrwx 1 root root    8 Jan  9 11:15 debug -> ../debug
-rwxr-xr-x 1 root root   95 Feb 15  2019 dhcp-wanlb
-rwxr-xr-x 1 root root 2673 Jan 11  2021 ipsec-dhclient-hook
-rw-r--r-- 1 root root 1756 Jan  9 11:15 rfc3442-classless-routes
-rwxr-xr-x 1 root root 1418 Jan 12 00:26 sendmail
-rw-r--r-- 1 root root 1656 Jan 11  2021 vyatta-dhclient-hook
vyos@r14:~$ 
vyos@r14:~$

Nov 28 14:07:35 r1 root[9642]: /etc/dhcp/dhclient-exit-hooks.d/ipsec-dhclient-hook returned non-zero exit status 1
Nov 28 14:07:35 r1 dhclient[1465]: bound to 10.x.x.x -- renewal in 132 seconds.