[ 4368.787764][T29204] gre: GRE over IPv4 demultiplexer driver
[ 4370.619992][T29227] ip_gre: GRE over IPv4 tunneling driver
[ 4427.589183][T29800] ip6_gre: GRE over IPv6 tunneling driver
[ 4458.427032][T30144] ping (30144) used greatest stack depth: 23440 bytes left
[ 4464.046144][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4469.421980][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4474.349981][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4479.598051][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!