[ 3204.533606][T23673] gre: GRE over IPv4 demultiplexer driver
[ 3206.154607][T23696] ip_gre: GRE over IPv4 tunneling driver
[ 3254.393898][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3275.228797][T24516] ping (24516) used greatest stack depth: 22704 bytes left
[ 3288.025347][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3292.890221][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3297.050215][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3301.849244][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!