[ 1261.898207][T24985] gre: GRE over IPv4 demultiplexer driver
[ 1262.394214][T25008] ip_gre: GRE over IPv4 tunneling driver
[ 1278.147591][T25579] ip6_gre: GRE over IPv6 tunneling driver
[ 1282.605757][T25778] ping (25778) used greatest stack depth: 23056 bytes left
[ 1288.534727][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1290.518703][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1292.373709][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1294.358703][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!