[ 1566.628748][T15618] gre: GRE over IPv4 demultiplexer driver
[ 1567.094893][T15641] ip_gre: GRE over IPv4 tunneling driver
[ 1582.898272][T16212] ip6_gre: GRE over IPv6 tunneling driver
[ 1584.533941][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1587.346553][T16411] ping (16411) used greatest stack depth: 23296 bytes left
[ 1593.310866][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1595.294863][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1597.149879][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1599.198874][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!