[ 1721.046174][T24208] gre: GRE over IPv4 demultiplexer driver
[ 1721.552905][T24231] ip_gre: GRE over IPv4 tunneling driver
[ 1737.521603][T24804] ip6_gre: GRE over IPv6 tunneling driver
[ 1745.197950][T25148] ping (25148) used greatest stack depth: 22144 bytes left
[ 1748.073013][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1750.120985][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1751.975991][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1754.023997][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!