[ 1617.488598][T16717] gre: GRE over IPv4 demultiplexer driver
[ 1617.943763][T16740] ip_gre: GRE over IPv4 tunneling driver
[ 1633.309050][T17318] ip6_gre: GRE over IPv6 tunneling driver
[ 1640.541344][T17661] ping (17661) used greatest stack depth: 23344 bytes left
[ 1643.387726][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1645.372679][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1647.227688][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1649.211691][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!