[ 4334.883005][T20062] gre: GRE over IPv4 demultiplexor driver
[ 4336.945066][T20085] ip_gre: GRE over IPv4 tunneling driver
[ 4363.966249][T20337] ping (20337) used greatest stack depth: 22384 bytes left
[ 4398.205006][T20658] ip6_gre: GRE over IPv6 tunneling driver
[ 4440.635008][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4446.585874][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4451.578879][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4457.466878][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!