[ 1395.560054][T15463] gre: GRE over IPv4 demultiplexer driver
[ 1395.980725][T15487] ip_gre: GRE over IPv4 tunneling driver
[ 1413.218898][T16061] ip6_gre: GRE over IPv6 tunneling driver
[ 1421.586477][T16405] ping (16405) used greatest stack depth: 23328 bytes left
[ 1424.474643][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1426.650608][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1428.442602][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1430.554603][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!