[ 4656.857096][T24614] gre: GRE over IPv4 demultiplexor driver
[ 4659.095364][T24637] ip_gre: GRE over IPv4 tunneling driver
[ 4725.202870][T25210] ip6_gre: GRE over IPv6 tunneling driver
[ 4754.105868][T25460] ping (25460) used greatest stack depth: 23072 bytes left
[ 4770.960084][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4777.232022][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4782.543008][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4788.943141][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!