[ 3190.302113][T23667] gre: GRE over IPv4 demultiplexer driver
[ 3191.897552][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 3220.074592][T24036] ping (24036) used greatest stack depth: 23376 bytes left
[ 3240.551879][T24274] ip6_gre: GRE over IPv6 tunneling driver
[ 3274.194234][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3279.059129][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3283.219134][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.147138][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!