Hi, I have the same error on openswan, exactly. My system run Debian 7.5. On Debian 6.0.9 the error not occurs.
Installing Debian 7.5 and downgrading opensawn, the error persist. At., Hélio José Poffo Jr. Analista de Tecnologia da Informação - Matrícula 35447 +55 47 3431-3232 Prefeitura Municipal de Joinville www.joinville.sc.gov.br