[ 1523.299381][T28388] gre: GRE over IPv4 demultiplexer driver
[ 1523.781612][T28411] ip_gre: GRE over IPv4 tunneling driver
[ 1539.876086][T28991] ip6_gre: GRE over IPv6 tunneling driver
[ 1541.546729][  T214] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1545.523283][T29241] ping (29241) used greatest stack depth: 23224 bytes left
[ 1547.739681][   T34] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1550.491649][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1552.539645][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1554.394653][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1556.442661][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!