rancher-node-highmem02: Try installation with IPXE_NET with net1

Refs. sysadm-environment#5543

configs/rancher-node-highmem02.yaml

 ---
-DISTRIBUTION: bullseye
 VLAN_ID: 440
 IPADDRESS: 192.168.100.135
 NETMASK: 255.255.255.0
@@ -10,6 +9,6 @@ DOMAINNAME: internal.softwareheritage.org
 DEPLOYMENT: production
 SUBNET: sesi_rocquencourt
 BOOT_DISK_ID_PATTERN: "*DELLBOSS_VD_*10"
-IPXE_NET: net0
+IPXE_NET: net1
 PRESEED_INTERFACE0: eno12399np0
 PRESEED_INTERFACE1: eno12409np1