[ 4098.878888][T28604] gre: GRE over IPv4 demultiplexer driver
[ 4100.472582][T28627] ip_gre: GRE over IPv4 tunneling driver
[ 4148.678677][T29204] ip6_gre: GRE over IPv6 tunneling driver
[ 4169.407042][T29458] ping (29458) used greatest stack depth: 21640 bytes left
[ 4182.119102][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4186.982996][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4191.207035][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4196.071045][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!