[ 4767.273562][T24713] gre: GRE over IPv4 demultiplexor driver
[ 4769.625473][T24736] ip_gre: GRE over IPv4 tunneling driver
[ 4836.154647][T25309] ip6_gre: GRE over IPv6 tunneling driver
[ 4881.651310][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4887.987190][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4893.300186][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4899.699184][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 5132.493216][T27837] ping (27837) used greatest stack depth: 22320 bytes left