[ 3145.957035][T28949] gre: GRE over IPv4 demultiplexor driver
[ 3147.064859][T28973] ip_gre: GRE over IPv4 tunneling driver
[ 3181.874671][T29551] ip6_gre: GRE over IPv6 tunneling driver
[ 3201.342200][T29897] ping (29897) used greatest stack depth: 23296 bytes left
[ 3205.493405][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3209.268358][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3212.469335][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3216.180329][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!