[ 2171.239520][T17621] gre: GRE over IPv4 demultiplexor driver
[ 2172.938442][T17644] ip_gre: GRE over IPv4 tunneling driver
[ 2225.286005][T18215] ip6_gre: GRE over IPv6 tunneling driver
[ 2261.172418][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2266.420322][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2270.836303][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2275.893301][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2456.041366][T20732] ping (20732) used greatest stack depth: 22608 bytes left