[ 4060.234714][T28660] gre: GRE over IPv4 demultiplexer driver
[ 4061.844823][T28683] ip_gre: GRE over IPv4 tunneling driver
[ 4110.091514][T29259] ip6_gre: GRE over IPv6 tunneling driver
[ 4126.941012][T25562] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4138.345035][T29602] ping (29602) used greatest stack depth: 23440 bytes left
[ 4143.453373][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4148.252394][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4152.412369][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4157.276388][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4186.279115][T30168] ping (30168) used greatest stack depth: 23424 bytes left