[ 4294.522086][T29182] gre: GRE over IPv4 demultiplexer driver
[ 4296.094219][T29205] ip_gre: GRE over IPv4 tunneling driver
[ 4343.978910][T29777] ip6_gre: GRE over IPv6 tunneling driver
[ 4364.613250][T30026] ping (30026) used greatest stack depth: 22784 bytes left
[ 4377.176823][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4382.041714][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4386.264739][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4391.000741][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!