[ 3140.384093][T23671] gre: GRE over IPv4 demultiplexer driver
[ 3141.993684][T23694] ip_gre: GRE over IPv4 tunneling driver
[ 3190.008340][T24266] ip6_gre: GRE over IPv6 tunneling driver
[ 3218.218565][T24609] ping (24609) used greatest stack depth: 23552 bytes left
[ 3223.380430][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3228.308308][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3232.468306][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3237.524307][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!