[ 3181.969317][T28960] gre: GRE over IPv4 demultiplexor driver
[ 3183.104556][T28983] ip_gre: GRE over IPv4 tunneling driver
[ 3199.209442][T29236] ping (29236) used greatest stack depth: 22624 bytes left
[ 3220.427940][T29556] ip6_gre: GRE over IPv6 tunneling driver
[ 3221.864601][T26203] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3227.431427][T18987] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3235.751512][T18987] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3245.031305][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3248.807317][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3252.072296][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3255.847297][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!