[ 3197.759231][T29010] gre: GRE over IPv4 demultiplexor driver
[ 3198.945518][T29034] ip_gre: GRE over IPv4 tunneling driver
[ 3238.372901][T29607] ip6_gre: GRE over IPv6 tunneling driver
[ 3259.108518][T29952] ping (29952) used greatest stack depth: 23360 bytes left
[ 3263.398578][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.174525][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.566473][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3274.406504][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!