[ 3159.950695][T27868] gre: GRE over IPv4 demultiplexor driver
[ 3161.073781][T27891] ip_gre: GRE over IPv4 tunneling driver
[ 3196.129036][T28464] ip6_gre: GRE over IPv6 tunneling driver
[ 3210.437117][T28713] ping (28713) used greatest stack depth: 23632 bytes left
[ 3216.061646][T26187] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3219.837486][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3223.549499][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3226.814478][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3230.525499][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!