[ 4697.107047][T24653] gre: GRE over IPv4 demultiplexor driver
[ 4699.370104][T24676] ip_gre: GRE over IPv4 tunneling driver
[ 4766.291996][T25250] ip6_gre: GRE over IPv6 tunneling driver
[ 4774.044538][T25311] ping (25311) used greatest stack depth: 23264 bytes left
[ 4812.051431][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4818.388300][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4823.763304][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4830.163288][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!