[ 1700.001038][T12229] gre: GRE over IPv4 demultiplexer driver
[ 1700.427106][T12252] ip_gre: GRE over IPv4 tunneling driver
[ 1716.044668][T12826] ip6_gre: GRE over IPv6 tunneling driver
[ 1723.446814][T13170] ping (13170) used greatest stack depth: 22240 bytes left
[ 1726.263629][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1728.248593][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1730.039599][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1732.024593][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!