[ 4406.058100][T29214] gre: GRE over IPv4 demultiplexer driver
[ 4407.837483][T29237] ip_gre: GRE over IPv4 tunneling driver
[ 4458.635292][T29809] ip6_gre: GRE over IPv6 tunneling driver
[ 4475.618588][T30009] ping (30009) used greatest stack depth: 23392 bytes left
[ 4487.905210][T15784] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4492.832136][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4498.016109][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4502.369104][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4507.424127][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!