[ 3345.282894][T23675] gre: GRE over IPv4 demultiplexer driver
[ 3346.956647][T23698] ip_gre: GRE over IPv4 tunneling driver
[ 3397.301438][T24271] ip6_gre: GRE over IPv6 tunneling driver
[ 3426.882377][T24614] ping (24614) used greatest stack depth: 23648 bytes left
[ 3432.160759][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3437.152697][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3441.505806][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3446.560689][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!