[ 4465.708496][T22428] gre: GRE over IPv4 demultiplexor driver
[ 4467.813271][T22451] ip_gre: GRE over IPv4 tunneling driver
[ 4530.831673][T23030] ip6_gre: GRE over IPv6 tunneling driver
[ 4558.076940][T23279] ping (23279) used greatest stack depth: 22256 bytes left
[ 4574.276097][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4580.421002][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4585.540044][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4591.428017][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!