[ 3167.934033][T29009] gre: GRE over IPv4 demultiplexor driver
[ 3169.244108][T29032] ip_gre: GRE over IPv4 tunneling driver
[ 3207.229863][T29605] ip6_gre: GRE over IPv6 tunneling driver
[ 3208.780538][   T30] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3232.587169][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3236.555180][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3239.819155][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3243.595166][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3299.661073][T31086] ping (31086) used greatest stack depth: 22448 bytes left