[ 4717.119375][T25033] gre: GRE over IPv4 demultiplexor driver
[ 4719.350139][T25056] ip_gre: GRE over IPv4 tunneling driver
[ 4784.224637][T25628] ip6_gre: GRE over IPv6 tunneling driver
[ 4812.965573][T25877] ping (25877) used greatest stack depth: 23328 bytes left
[ 4829.813522][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4836.086414][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4841.462250][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4847.926499][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!