#!/usr/bin/awk -f

BEGIN {
	dev = ""
	FS = "[: ]+"
	while("ip addr show primary"|getline) {
		if (match($0, "^[1-9]+:[ \t]+[^ \t@:]+")) {
			dev = $2
			sub("@.*","",dev)
		}
		else if ("inet" == $2) {
			if ( "" == ip[dev]) {
				ip[dev] = $3
			}
			else if ( dev == $(NF-1)) {
				dev = $(NF-1)":"$NF
				sub("@.*","",dev)
				ip[dev] = $3
				while ( "" == ip[dev] ) ip[dev] = $3
				if ( dev == "eth2:0" ) print ip[dev]
				if ( "" == ip[dev] ) print "ACHTUNG: ip[dev] missing"
				if ( "" == $3 ) print "ACHTUNG2: \$3 missing too"
			}
		}
	}
}