[ 4399.917362][T20476] gre: GRE over IPv4 demultiplexor driver
[ 4402.033963][T20499] ip_gre: GRE over IPv4 tunneling driver
[ 4465.264259][T21075] ip6_gre: GRE over IPv6 tunneling driver
[ 4508.438818][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4514.582763][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4519.766762][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4526.038963][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4626.943786][T22551] ping (22551) used greatest stack depth: 22176 bytes left