[ 4307.201118][T29254] gre: GRE over IPv4 demultiplexer driver
[ 4308.961383][T29277] ip_gre: GRE over IPv4 tunneling driver
[ 4358.304934][T29848] ip6_gre: GRE over IPv6 tunneling driver
[ 4379.385840][T30097] ping (30097) used greatest stack depth: 23488 bytes left
[ 4392.518904][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4397.510819][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4401.926789][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4407.110802][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!