[ 3203.474823][T23677] gre: GRE over IPv4 demultiplexer driver
[ 3205.086221][T23700] ip_gre: GRE over IPv4 tunneling driver
[ 3253.473574][T24271] ip6_gre: GRE over IPv6 tunneling driver
[ 3274.374899][ T7875] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3281.350631][T24614] ping (24614) used greatest stack depth: 23648 bytes left
[ 3286.659544][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3291.588534][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3295.811538][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3300.675559][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!