[ 1716.189584][T10832] gre: GRE over IPv4 demultiplexer driver
[ 1716.637048][T10855] ip_gre: GRE over IPv4 tunneling driver
[ 1722.307271][T11109] ping (11109) used greatest stack depth: 23424 bytes left
[ 1732.724645][T11428] ip6_gre: GRE over IPv6 tunneling driver
[ 1738.496159][T10237] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1743.232108][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1745.217105][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1747.072109][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1749.121114][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1804.678047][T14056] ping (14056) used greatest stack depth: 23024 bytes left