[ 3190.203577][T23671] gre: GRE over IPv4 demultiplexer driver
[ 3191.806280][T23694] ip_gre: GRE over IPv4 tunneling driver
[ 3240.716447][T24270] ip6_gre: GRE over IPv6 tunneling driver
[ 3252.057715][T24414] ip (24414) used greatest stack depth: 23184 bytes left
[ 3257.546568][T23790] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3273.802372][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3278.665378][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3282.953400][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.009409][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!