[ 3182.480692][T23673] gre: GRE over IPv4 demultiplexer driver
[ 3184.074986][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 3232.225060][T24268] ip6_gre: GRE over IPv6 tunneling driver
[ 3265.863826][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.663687][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3274.822683][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3279.686705][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!