[ 4406.127481][T26128] gre: GRE over IPv4 demultiplexor driver
[ 4408.034042][T26151] ip_gre: GRE over IPv4 tunneling driver
[ 4467.827896][T26730] ip6_gre: GRE over IPv6 tunneling driver
[ 4494.010569][T26979] ping (26979) used greatest stack depth: 23616 bytes left
[ 4503.451809][T27074] ping (27074) used greatest stack depth: 23360 bytes left
[ 4509.208267][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4514.969184][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4519.832173][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4525.528185][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!