run: guixsd: Fix openwrt access from kubernetes pods.

Author: wigust

dotfiles/run/guixsd/02-ip.sh

@@ -2,6 +2,12 @@
 
 set -o nounset -o errexit -o pipefail -o xtrace
 
+# Access OpenWrt from Prometheus in Kubernetes.
+ip link add macvlan0 link enp34s0 type macvlan mode bridge
+ip addr add 192.168.0.180/24 dev macvlan0
+ip link set macvlan0 up
+ip route add 192.168.0.253/32 dev macvlan0
+
 # ip address add 127.0.0.2/8 dev enp34s0
 ip address add 192.168.0.144/24 dev enp34s0
 ip address add 192.168.0.145/24 dev enp34s0