[ 1566.205462][T16187] gre: GRE over IPv4 demultiplexer driver
[ 1566.685951][T16210] ip_gre: GRE over IPv4 tunneling driver
[ 1582.644883][T16785] ip6_gre: GRE over IPv6 tunneling driver
[ 1590.279144][T17128] ping (17128) used greatest stack depth: 21984 bytes left
[ 1593.138440][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1595.186421][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1597.042407][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1599.025411][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!