[ 3178.973922][T22574] gre: GRE over IPv4 demultiplexor driver
[ 3181.007710][T22599] ip_gre: GRE over IPv4 tunneling driver
[ 3216.246543][T22946] ping (22946) used greatest stack depth: 22624 bytes left
[ 3241.088460][T23171] ip6_gre: GRE over IPv6 tunneling driver
[ 3282.806462][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.822368][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3293.813380][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3299.509338][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!