[ 1342.000237][T22214] gre: GRE over IPv4 demultiplexer driver
[ 1342.555173][T22237] ip_gre: GRE over IPv4 tunneling driver
[ 1359.500717][T22808] ip6_gre: GRE over IPv6 tunneling driver
[ 1365.525894][T23057] ping (23057) used greatest stack depth: 23728 bytes left
[ 1370.615864][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1372.664836][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1374.583848][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1376.696840][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1403.932591][T24283] ping (24283) used greatest stack depth: 23504 bytes left
[ 1421.406240][T24879] ip (24879) used greatest stack depth: 23184 bytes left