[ 3232.687734][T27826] gre: GRE over IPv4 demultiplexor driver
[ 3233.860604][T27849] ip_gre: GRE over IPv4 tunneling driver
[ 3251.440736][T28146] ping (28146) used greatest stack depth: 23440 bytes left
[ 3270.470217][T28422] ip6_gre: GRE over IPv6 tunneling driver
[ 3283.254318][T28624] ping (28624) used greatest stack depth: 22752 bytes left
[ 3296.227436][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3300.066408][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3303.458354][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3307.299318][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!