[ 4009.304981][T20603] gre: GRE over IPv4 demultiplexer driver
[ 4010.928688][T20626] ip_gre: GRE over IPv4 tunneling driver
[ 4058.914276][T21200] ip6_gre: GRE over IPv6 tunneling driver
[ 4079.526358][T21449] ping (21449) used greatest stack depth: 23648 bytes left
[ 4092.057308][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4096.857259][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4101.016238][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4105.944230][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!