[ 3159.621193][T23670] gre: GRE over IPv4 demultiplexer driver
[ 3161.180674][T23693] ip_gre: GRE over IPv4 tunneling driver
[ 3209.003808][T24271] ip6_gre: GRE over IPv6 tunneling driver
[ 3229.433665][T24521] ping (24521) used greatest stack depth: 23648 bytes left
[ 3242.178167][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3247.170095][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3251.522075][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3256.513121][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3334.386559][T25748] ping (25748) used greatest stack depth: 23328 bytes left