[ 1514.846101][T28401] gre: GRE over IPv4 demultiplexer driver
[ 1515.278139][T28424] ip_gre: GRE over IPv4 tunneling driver
[ 1530.862156][T29002] ip6_gre: GRE over IPv6 tunneling driver
[ 1541.207673][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1543.190640][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1545.046642][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1547.031641][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1567.731640][T30383] ping (30383) used greatest stack depth: 23712 bytes left
[ 1599.082674][T31521] ping (31521) used greatest stack depth: 23440 bytes left