[ 4060.577298][T28790] gre: GRE over IPv4 demultiplexer driver
[ 4062.142976][T28813] ip_gre: GRE over IPv4 tunneling driver
[ 4108.792642][T29385] ip6_gre: GRE over IPv6 tunneling driver
[ 4128.982451][T29634] ping (29634) used greatest stack depth: 22928 bytes left
[ 4132.700642][T26181] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4141.467448][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4146.331466][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4150.363478][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4155.035497][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!