[ 4404.665060][T26321] gre: GRE over IPv4 demultiplexor driver
[ 4406.653752][T26344] ip_gre: GRE over IPv4 tunneling driver
[ 4465.769590][T26916] ip6_gre: GRE over IPv6 tunneling driver
[ 4491.601986][T27165] ping (27165) used greatest stack depth: 23360 bytes left
[ 4506.840088][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4512.599012][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4517.463034][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4523.222998][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!