[ 3417.644874][T30268] gre: GRE over IPv4 demultiplexor driver
[ 3418.794838][T30291] ip_gre: GRE over IPv4 tunneling driver
[ 3433.347790][T30552] ping (30552) used greatest stack depth: 22440 bytes left
[ 3454.389452][T30871] ip6_gre: GRE over IPv6 tunneling driver
[ 3479.217550][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3483.121490][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3486.512520][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3490.608538][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!