[ 4707.051965][T24685] gre: GRE over IPv4 demultiplexor driver
[ 4709.257615][T24708] ip_gre: GRE over IPv4 tunneling driver
[ 4773.711057][T25280] ip6_gre: GRE over IPv6 tunneling driver
[ 4802.074173][T25537] ping (25537) used greatest stack depth: 23600 bytes left
[ 4812.542148][T25631] ping (25631) used greatest stack depth: 23328 bytes left
[ 4819.105848][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4825.441455][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4830.818447][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4837.089461][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!