[ 3093.033013][T15975] gre: GRE over IPv4 demultiplexor driver
[ 3095.072152][T15999] ip_gre: GRE over IPv4 tunneling driver
[ 3120.858226][T16251] ping (16251) used greatest stack depth: 23376 bytes left
[ 3155.496191][T16580] ip6_gre: GRE over IPv6 tunneling driver
[ 3197.884688][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3203.772601][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3208.892595][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3214.845610][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3420.654588][T19054] ping (19054) used greatest stack depth: 22928 bytes left