[ 1704.766393][T12478] gre: GRE over IPv4 demultiplexer driver
[ 1705.242387][T12501] ip_gre: GRE over IPv4 tunneling driver
[ 1721.163754][T13072] ip6_gre: GRE over IPv6 tunneling driver
[ 1725.683343][T13272] ping (13272) used greatest stack depth: 23040 bytes left
[ 1731.640349][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1733.687333][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1735.672328][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1737.655359][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!