[ 1401.896882][T16341] gre: GRE over IPv4 demultiplexer driver
[ 1402.317666][T16364] ip_gre: GRE over IPv4 tunneling driver
[ 1417.813552][T16936] ip6_gre: GRE over IPv6 tunneling driver
[ 1423.237827][T17189] ping (17189) used greatest stack depth: 23344 bytes left
[ 1428.048621][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1430.032606][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1431.824598][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1433.808606][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1487.263531][T19545] ping (19545) used greatest stack depth: 22960 bytes left