[ 2554.212153][T17625] gre: GRE over IPv4 demultiplexor driver
[ 2556.194648][T17648] ip_gre: GRE over IPv4 tunneling driver
[ 2616.097710][T18219] ip6_gre: GRE over IPv6 tunneling driver
[ 2637.069827][T18418] ping (18418) used greatest stack depth: 22496 bytes left
[ 2657.897946][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2663.593848][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2668.458843][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2674.218850][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!