[ 3915.658068][T20257] gre: GRE over IPv4 demultiplexor driver
[ 3917.709612][T20280] ip_gre: GRE over IPv4 tunneling driver
[ 3978.362616][T20860] ip6_gre: GRE over IPv6 tunneling driver
[ 4023.976744][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4029.929649][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4034.857632][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4040.616674][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4136.263387][T22245] ping (22245) used greatest stack depth: 21824 bytes left