[ 3106.571499][T20559] gre: GRE over IPv4 demultiplexor driver
[ 3107.686613][T20582] ip_gre: GRE over IPv4 tunneling driver
[ 3142.187043][T21156] ip6_gre: GRE over IPv6 tunneling driver
[ 3156.390126][T21413] ping (21413) used greatest stack depth: 23568 bytes left
[ 3161.607585][T21507] ping (21507) used greatest stack depth: 23312 bytes left
[ 3161.968537][   T61] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3165.808444][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3169.456436][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3172.593433][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3176.240430][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3229.242654][T22588] ping (22588) used greatest stack depth: 23008 bytes left