[ 1656.376907][T20207] gre: GRE over IPv4 demultiplexer driver
[ 1656.857617][T20230] ip_gre: GRE over IPv4 tunneling driver
[ 1674.099997][T20801] ip6_gre: GRE over IPv6 tunneling driver
[ 1678.271970][T17367] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1680.418987][T21051] ping (21051) used greatest stack depth: 23176 bytes left
[ 1685.743870][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1687.918892][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1689.902904][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1692.078886][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!