[ 3169.951627][T28987] gre: GRE over IPv4 demultiplexor driver
[ 3171.150728][T29010] ip_gre: GRE over IPv4 tunneling driver
[ 3206.824329][T29593] ip6_gre: GRE over IPv6 tunneling driver
[ 3208.189455][T18647] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3221.821452][ T7761] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3230.909342][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3234.750297][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3237.949297][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3241.725298][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3294.622186][T31025] ping (31025) used greatest stack depth: 23008 bytes left