[ 4309.511628][T29246] gre: GRE over IPv4 demultiplexer driver
[ 4311.167416][T29269] ip_gre: GRE over IPv4 tunneling driver
[ 4360.754154][T29840] ip6_gre: GRE over IPv6 tunneling driver
[ 4389.600054][T30185] ping (30185) used greatest stack depth: 23440 bytes left
[ 4395.042704][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4400.035573][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4404.258574][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4409.186608][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!