[ 3344.711185][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3346.407979][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3396.268653][T24274] ip6_gre: GRE over IPv6 tunneling driver
[ 3417.397690][T24523] ping (24523) used greatest stack depth: 23264 bytes left
[ 3430.172566][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3435.228460][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3439.452470][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3444.508466][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3624.053501][T26887] ping (26887) used greatest stack depth: 23216 bytes left