[ 4500.183389][T29224] gre: GRE over IPv4 demultiplexer driver
[ 4501.831675][T29247] ip_gre: GRE over IPv4 tunneling driver
[ 4552.046240][T29819] ip6_gre: GRE over IPv6 tunneling driver
[ 4572.981074][T30069] ping (30069) used greatest stack depth: 23040 bytes left
[ 4586.467024][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4591.458943][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4595.682929][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4600.611935][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!