[ 3201.407771][T27781] gre: GRE over IPv4 demultiplexor driver
[ 3202.556280][T27804] ip_gre: GRE over IPv4 tunneling driver
[ 3239.029542][T28375] ip6_gre: GRE over IPv6 tunneling driver
[ 3253.989342][T28625] ping (28625) used greatest stack depth: 23552 bytes left
[ 3263.546520][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.322415][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.778392][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3274.746405][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3365.322362][T30334] ping (30334) used greatest stack depth: 23408 bytes left