code: func printIPs(tsv bool, ips ...*crimson.IP) {
  	if len(ips) > 0 {
  		p := newStdoutPrinter(tsv)
  		defer p.Flush()
  		if !tsv {
  			p.Row("IPv4", "VLAN", "Hostname")
  		}
  		for _, ip := range ips {
  			p.Row(ip.Ipv4, ip.Vlan, ip.Hostname)
  		}
  	}
  }
docs: // printIPs prints IP address data to stdout in tab-separated columns.