[ 3226.913386][T28956] gre: GRE over IPv4 demultiplexor driver
[ 3228.119545][T28979] ip_gre: GRE over IPv4 tunneling driver
[ 3232.455514][T29043] ping (29043) used greatest stack depth: 23824 bytes left
[ 3266.031527][T29558] ip6_gre: GRE over IPv6 tunneling driver
[ 3282.175624][T29808] ping (29808) used greatest stack depth: 23632 bytes left
[ 3293.992632][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3298.664415][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3302.888559][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3307.880467][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!