[ 3170.797915][T10440] ip_gre: GRE over IPv4 tunneling driver
[ 3191.248403][T10643] ping (10643) used greatest stack depth: 23216 bytes left
[ 3270.603018][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3276.299034][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3281.035025][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3286.859007][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3363.796619][T12302] ping (12302) used greatest stack depth: 23120 bytes left