[ 2171.728756][T17625] gre: GRE over IPv4 demultiplexor driver
[ 2173.512123][T17648] ip_gre: GRE over IPv4 tunneling driver
[ 2225.508941][T18220] ip6_gre: GRE over IPv6 tunneling driver
[ 2247.422687][T18469] ping (18469) used greatest stack depth: 22304 bytes left
[ 2260.781167][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2265.773086][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2270.125090][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2275.373084][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!