[ 3245.285339][T23677] gre: GRE over IPv4 demultiplexer driver
[ 3246.885260][T23700] ip_gre: GRE over IPv4 tunneling driver
[ 3270.743849][T23996] ping (23996) used greatest stack depth: 23632 bytes left
[ 3294.913517][T24272] ip6_gre: GRE over IPv6 tunneling driver
[ 3311.205071][T24471] ping (24471) used greatest stack depth: 23584 bytes left
[ 3328.021108][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3332.884012][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3337.172004][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3341.971999][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!