[ 4245.552342][T29248] gre: GRE over IPv4 demultiplexer driver
[ 4247.275225][T29271] ip_gre: GRE over IPv4 tunneling driver
[ 4295.521225][T29843] ip6_gre: GRE over IPv6 tunneling driver
[ 4324.090485][T30186] ping (30186) used greatest stack depth: 23488 bytes left
[ 4329.212599][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4334.076488][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4338.236510][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4343.100517][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!