[ 4145.377281][T28702] gre: GRE over IPv4 demultiplexer driver
[ 4147.005595][T28726] ip_gre: GRE over IPv4 tunneling driver
[ 4195.657253][T29305] ip6_gre: GRE over IPv6 tunneling driver
[ 4224.215692][T29649] ping (29649) used greatest stack depth: 22928 bytes left
[ 4224.681720][T17656] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4229.289448][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4234.217500][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4238.440452][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4243.369478][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!