[ 3178.647523][T23666] gre: GRE over IPv4 demultiplexer driver
[ 3180.262568][T23689] ip_gre: GRE over IPv4 tunneling driver
[ 3228.525334][T24261] ip6_gre: GRE over IPv6 tunneling driver
[ 3249.555498][T23923] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3261.842359][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3266.771333][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.931344][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.794351][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3353.273581][T25736] ping (25736) used greatest stack depth: 23712 bytes left