[ 3234.629138][T27794] gre: GRE over IPv4 demultiplexor driver
[ 3235.756308][T27818] ip_gre: GRE over IPv4 tunneling driver
[ 3271.152656][T28389] ip6_gre: GRE over IPv6 tunneling driver
[ 3291.514800][T28732] ping (28732) used greatest stack depth: 23360 bytes left
[ 3295.730147][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3299.505093][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3302.833074][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3306.737101][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3426.141920][T30852] ping (30852) used greatest stack depth: 22912 bytes left