[ 4459.026395][T22257] gre: GRE over IPv4 demultiplexer driver
[ 4460.650275][T22280] ip_gre: GRE over IPv4 tunneling driver
[ 4507.521247][T22851] ip6_gre: GRE over IPv6 tunneling driver
[ 4534.938768][T23195] ping (23195) used greatest stack depth: 23488 bytes left
[ 4540.030385][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4544.766246][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4548.798264][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4553.470275][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!