[ 1700.897659][T11848] gre: GRE over IPv4 demultiplexer driver
[ 1701.351643][T11871] ip_gre: GRE over IPv4 tunneling driver
[ 1718.094986][T12442] ip6_gre: GRE over IPv6 tunneling driver
[ 1724.066316][T12691] ping (12691) used greatest stack depth: 22576 bytes left
[ 1729.182800][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1731.294773][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1733.213771][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1735.325779][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!