[ 3174.841166][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3176.475765][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3225.396769][T24277] ip6_gre: GRE over IPv6 tunneling driver
[ 3245.920365][T24526] ping (24526) used greatest stack depth: 23648 bytes left
[ 3258.368122][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3263.167989][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.263949][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3272.063988][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!