[ 3210.356074][T27812] gre: GRE over IPv4 demultiplexor driver
[ 3211.539717][T27836] ip_gre: GRE over IPv4 tunneling driver
[ 3228.837518][T28133] ping (28133) used greatest stack depth: 22880 bytes left
[ 3248.104975][T28408] ip6_gre: GRE over IPv6 tunneling driver
[ 3281.650419][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3286.066378][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3289.842292][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3294.002279][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!