[ 4692.810749][T24717] gre: GRE over IPv4 demultiplexor driver
[ 4694.972199][T24740] ip_gre: GRE over IPv4 tunneling driver
[ 4760.115873][T25317] ip6_gre: GRE over IPv6 tunneling driver
[ 4788.907912][T25566] ping (25566) used greatest stack depth: 22872 bytes left
[ 4805.558420][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4812.021305][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4817.461317][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4823.733308][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 5066.196678][T27924] ping (27924) used greatest stack depth: 22336 bytes left