[ 1415.718461][T16682] gre: GRE over IPv4 demultiplexer driver
[ 1416.270785][T16705] ip_gre: GRE over IPv4 tunneling driver
[ 1434.690944][T17276] ip6_gre: GRE over IPv6 tunneling driver
[ 1442.512020][T17620] ping (17620) used greatest stack depth: 22816 bytes left
[ 1442.708967][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1445.460950][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1447.829899][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1449.812981][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1451.988915][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!