[ 3186.236468][T22577] gre: GRE over IPv4 demultiplexor driver
[ 3188.374865][T22601] ip_gre: GRE over IPv4 tunneling driver
[ 3248.035003][T23176] ip6_gre: GRE over IPv6 tunneling driver
[ 3274.114072][T23425] ping (23425) used greatest stack depth: 21856 bytes left
[ 3289.271996][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3295.095885][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3300.023916][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3305.784889][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!