[ 1685.241925][T18236] gre: GRE over IPv4 demultiplexer driver
[ 1685.779562][T18259] ip_gre: GRE over IPv4 tunneling driver
[ 1691.763495][T18511] ping (18511) used greatest stack depth: 23408 bytes left
[ 1702.794730][T18830] ip6_gre: GRE over IPv6 tunneling driver
[ 1708.828565][T19079] ping (19079) used greatest stack depth: 22608 bytes left
[ 1714.010658][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1716.122634][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1718.043626][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1720.154613][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!