[ 4388.818902][T29233] gre: GRE over IPv4 demultiplexer driver
[ 4390.434767][T29256] ip_gre: GRE over IPv4 tunneling driver
[ 4439.996750][T29836] ip6_gre: GRE over IPv6 tunneling driver
[ 4468.889565][T30180] ping (30180) used greatest stack depth: 23440 bytes left
[ 4474.142953][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4479.007852][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4483.230849][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4488.095854][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!