[ 3170.065448][T23666] gre: GRE over IPv4 demultiplexer driver
[ 3171.710166][T23689] ip_gre: GRE over IPv4 tunneling driver
[ 3221.477339][T24261] ip6_gre: GRE over IPv6 tunneling driver
[ 3242.844617][T24510] ping (24510) used greatest stack depth: 23552 bytes left
[ 3243.264976][   T67] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3255.934751][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.990776][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3265.278760][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.206770][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3342.754008][T25642] ping (25642) used greatest stack depth: 23280 bytes left