[ 4247.186767][T29279] gre: GRE over IPv4 demultiplexer driver
[ 4248.812169][T29302] ip_gre: GRE over IPv4 tunneling driver
[ 4298.415860][T29875] ip6_gre: GRE over IPv6 tunneling driver
[ 4326.931139][T30219] ping (30219) used greatest stack depth: 23488 bytes left
[ 4331.990690][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4336.854577][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4341.206567][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4346.070616][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4516.895061][T32392] ping (32392) used greatest stack depth: 23056 bytes left