[  780.395620][T21877] gre: GRE over IPv4 demultiplexer driver
[  780.903891][T21900] ip_gre: GRE over IPv4 tunneling driver
[  796.643362][T22475] ip6_gre: GRE over IPv6 tunneling driver
[  802.142571][T22725] ping (22725) used greatest stack depth: 23072 bytes left
[  807.092861][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  809.075832][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  810.932834][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  812.979844][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!