[ 3289.564072][T27796] gre: GRE over IPv4 demultiplexor driver
[ 3290.775682][T27819] ip_gre: GRE over IPv4 tunneling driver
[ 3306.188931][T28072] ping (28072) used greatest stack depth: 22112 bytes left
[ 3327.470076][T28392] ip6_gre: GRE over IPv6 tunneling driver
[ 3352.414319][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3356.318251][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3359.647441][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3363.487207][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!