[ 4734.352116][T24917] gre: GRE over IPv4 demultiplexor driver
[ 4736.655151][T24940] ip_gre: GRE over IPv4 tunneling driver
[ 4766.166450][T25192] ping (25192) used greatest stack depth: 23360 bytes left
[ 4804.095934][T25513] ip6_gre: GRE over IPv6 tunneling driver
[ 4838.719726][T25806] ping (25806) used greatest stack depth: 22288 bytes left
[ 4851.027223][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4857.617932][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4863.249942][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4869.713908][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!