[ 3183.149499][T29052] gre: GRE over IPv4 demultiplexor driver
[ 3184.302225][T29075] ip_gre: GRE over IPv4 tunneling driver
[ 3219.666487][T29649] ip6_gre: GRE over IPv6 tunneling driver
[ 3226.471405][T26342] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3231.441753][T29848] ping (29848) used greatest stack depth: 22688 bytes left
[ 3243.750303][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3247.463296][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3250.726299][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3254.502325][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!