Comment 4 for bug 2033430

Well, no specific metadata route, and no option 210, and we still have the same behavior with grub.

I'll reach out to some grub developers next week and see if they are aware of any such behavior.

a20:50:41.821708 IP (tos 0x0, ttl 64, id 49160, offset 0, flags [none], proto UDP (17), length 353)
    10.1.0.1.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length 325, xid 0xd3370e75, Flags [Broadcast]
   Your-IP 10.1.0.30
   Server-IP controller
   Client-Ethernet-Address 52:54:00:fd:56:02 (oui Unknown)
   Vendor-rfc1048 Extensions
     Magic Cookie 0x63825363
     DHCP-Message (53), length 1: Offer
     BF (67), length 11: "bootx64.efi"
     Unknown (253), length 4: 181485885
     Domain-Name-Server (6), length 4: localhost
     Lease-Time (51), length 4: 43200
     MTU (26), length 2: 1430
     Subnet-Mask (1), length 4: 255.255.255.192
     Default-Gateway (3), length 4: 10.1.0.1
     Server-ID (54), length 4: 10.1.0.1
     TFTP (66), length 12: "10.209.65.61"
     TFTP-Server-Address (150), length 4: controller