[ 4742.636832][T24394] gre: GRE over IPv4 demultiplexor driver
[ 4744.910905][T24422] ip_gre: GRE over IPv4 tunneling driver
[ 4774.149996][T24678] ping (24678) used greatest stack depth: 23888 bytes left
[ 4810.841716][T24998] ip6_gre: GRE over IPv6 tunneling driver
[ 4839.605803][T25252] ping (25252) used greatest stack depth: 23328 bytes left
[ 4856.627684][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4862.962554][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4868.274573][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4874.611568][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 5094.981331][T27432] ping (27432) used greatest stack depth: 23232 bytes left