[ 2135.005373][T17619] gre: GRE over IPv4 demultiplexor driver
[ 2136.611218][T17642] ip_gre: GRE over IPv4 tunneling driver
[ 2186.860121][T18220] ip6_gre: GRE over IPv6 tunneling driver
[ 2223.258725][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2228.313660][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2232.793661][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2237.786665][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2414.201474][T20743] ping (20743) used greatest stack depth: 22608 bytes left