-if ! ip l show br0 &>/dev/null; then
- cat <<'EOF'
-fai-rvm error: no bridge detected. add one to interfaces like this:
-iface eth0 inet manual
-iface br0 inet dhcp
- bridge_ports eth0
- bridge_stp off
- bridge_maxwait 0
-EOF
- exit 1
+if ip l show br0 &>/dev/null; then
+ net_arg="-w bridge=br0,mac=52:54:00:9c:ef:ad"
+else
+ # if this computer has ethernet, we could setup a br0 like so:
+ # cat <<'EOF'
+ # fai-rvm error: no bridge detected. add one to interfaces like this:
+ # iface eth0 inet manual
+ # iface br0 inet dhcp
+ # bridge_ports eth0
+ # bridge_stp off
+ # bridge_maxwait 0
+ # EOF
+
+ # if we only have wifi, cant use eth0
+ net_arg="-w network=default,mac=52:54:00:9c:ef:ad"