[ 4318.548444][T29192] gre: GRE over IPv4 demultiplexer driver
[ 4320.170044][T29215] ip_gre: GRE over IPv4 tunneling driver
[ 4368.590243][T29792] ip6_gre: GRE over IPv6 tunneling driver
[ 4396.723722][T30136] ping (30136) used greatest stack depth: 23440 bytes left
[ 4401.887135][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4406.751976][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4410.910939][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4415.774985][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!