[ 3226.427662][T23669] gre: GRE over IPv4 demultiplexer driver
[ 3228.042644][T23692] ip_gre: GRE over IPv4 tunneling driver
[ 3276.711819][T24263] ip6_gre: GRE over IPv6 tunneling driver
[ 3297.604557][T24513] ping (24513) used greatest stack depth: 23552 bytes left
[ 3310.276018][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3315.139945][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3319.299950][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3324.098973][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3346.078847][T25080] ping (25080) used greatest stack depth: 23472 bytes left
[ 3402.541653][T25767] ping (25767) used greatest stack depth: 23008 bytes left