[ 2907.975599][T22210] gre: GRE over IPv4 demultiplexer driver
[ 2909.629103][T22233] ip_gre: GRE over IPv4 tunneling driver
[ 2957.371297][T22805] ip6_gre: GRE over IPv6 tunneling driver
[ 2984.577606][T23150] ping (23150) used greatest stack depth: 23648 bytes left
[ 2989.729888][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2994.593806][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2998.754802][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3003.618802][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3078.925973][T24281] ping (24281) used greatest stack depth: 23152 bytes left