[ 4083.590045][T24562] gre: GRE over IPv4 demultiplexor driver
[ 4085.690666][T24586] ip_gre: GRE over IPv4 tunneling driver
[ 4147.501883][T25159] ip6_gre: GRE over IPv6 tunneling driver
[ 4174.401241][T25409] ping (25409) used greatest stack depth: 21880 bytes left
[ 4190.834644][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4197.938354][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4211.826267][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!