[ 1365.944761][T22199] gre: GRE over IPv4 demultiplexer driver
[ 1366.467497][T22222] ip_gre: GRE over IPv4 tunneling driver
[ 1382.215323][T22793] ip6_gre: GRE over IPv6 tunneling driver
[ 1389.742462][T23137] ping (23137) used greatest stack depth: 23072 bytes left
[ 1392.584867][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1394.567847][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1396.423839][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1398.408839][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!