[ 3164.800931][T23678] gre: GRE over IPv4 demultiplexer driver
[ 3166.558340][T23701] ip_gre: GRE over IPv4 tunneling driver
[ 3215.062118][T24272] ip6_gre: GRE over IPv6 tunneling driver
[ 3244.037539][T22057] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3248.710400][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3253.638380][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.861373][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3262.726390][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3341.083855][T25748] ping (25748) used greatest stack depth: 23680 bytes left