Custom interface names like "eth-phone" or "eth-lte" are not uncommon, and since they are used in pathes inside systemd units, dashes and unprintable characters shall be escaped per unit file rules. So replace "-" with "\x2d" in interface names. --- src/netctl | 1 + 1 file changed, 1 insertion(+) diff --git a/src/netctl b/src/netctl index 7cf0b59..498b50d 100755 --- a/src/netctl +++ b/src/netctl @@ -89,6 +89,7 @@ unit_enable() { echo -e "\n[Unit]" >> "$unit" [[ -n $Description ]] && echo "Description=$Description" >> "$unit" : ${BindsToInterfaces=$Interface} + BindsToInterfaces=( "${BindsToInterfaces[@]/-/\\x2d}" ) printf 'BindsTo=sys-subsystem-net-devices-%s.device\n' \ "${BindsToInterfaces[@]}" >> "$unit" printf 'After=sys-subsystem-net-devices-%s.device\n' \ -- 1.8.1.3