bin/55472: 9.99.65 -> 9.99.69 dhcpcd fails acquiring leases

[kardel%netbsd.org@localhost]

>Number:         55472
>Category:       bin
>Synopsis:       9.99.65 -> 9.99.69 dhcpcd fails acquiring leases
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jul 09 09:00:01 +0000 2020
>Originator:     Frank Kardel
>Release:        NetBSD 9.99.69
>Organization:
	
>Environment:
	
	
System: NetBSD abstest2 9.99.69 NetBSD 9.99.69 (GENERIC) #6: Wed Jul 8 19:12:58 UTC 2020 kardel@dolomiti:/src/NetBSD/cur/src/obj.amd64/sys/arch/amd64/compile/GENERIC amd64
Architecture: x86_64
Machine: amd64
>Description:
	After upgrading a xen pvh DOMU from 9.99.65 to 9.99.69 (20200708)
	via build.sh install=/<targetdir> + postinstall fix
	dhcpcd stopped working.
	No attempts to acquire a lease are done.
Jul  9 05:50:30 abstest2 dhcpcd[2630]: dhcpcd-9.1.4 starting
Jul  9 05:50:30 abstest2 dhcpcd[2622]: DUID 00:01:00:01:26:78:8c:61:aa:00:00:d1:01:00
Jul  9 05:51:00 abstest2 dhcpcd[2622]: timed out
Jul  9 05:51:00 abstest2 dhcpcd[2622]: dhcpcd exited
	Using a dhcpcd from 9.99.65 works.

>How-To-Repeat:
	Upgrade to 9.99.69 and see dhcpcd not sending DHCP requests.
>Fix:
	use binary from 9.99.65 - not suitable - only for workaround

>Unformatted: