[ 2667.788580][T17450] gre: GRE over IPv4 demultiplexor driver
[ 2669.610868][T17474] ip_gre: GRE over IPv4 tunneling driver
[ 2693.186108][T17726] ping (17726) used greatest stack depth: 22704 bytes left
[ 2723.321632][T18046] ip6_gre: GRE over IPv6 tunneling driver
[ 2749.967364][T18296] ping (18296) used greatest stack depth: 22288 bytes left
[ 2763.502862][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2768.430848][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2773.678816][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2779.246940][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!