[ 4494.213079][T29142] gre: GRE over IPv4 demultiplexer driver
[ 4496.154715][T29165] ip_gre: GRE over IPv4 tunneling driver
[ 4556.693296][T29741] ip6_gre: GRE over IPv6 tunneling driver
[ 4590.945090][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4595.873005][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4600.225986][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4605.152996][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4677.721328][T31122] ping (31122) used greatest stack depth: 22848 bytes left