[ 3165.318910][T27805] gre: GRE over IPv4 demultiplexor driver
[ 3166.460483][T27828] ip_gre: GRE over IPv4 tunneling driver
[ 3202.194878][T28400] ip6_gre: GRE over IPv6 tunneling driver
[ 3211.519025][T28562] ping (28562) used greatest stack depth: 23040 bytes left
[ 3226.316431][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3230.091383][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3233.355403][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3237.195494][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!