[ 3183.104298][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3184.679112][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3233.140996][T24271] ip6_gre: GRE over IPv6 tunneling driver
[ 3253.823050][T24520] ping (24520) used greatest stack depth: 23648 bytes left
[ 3266.494629][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3271.359503][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.518505][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3280.382487][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3448.495649][T26792] ping (26792) used greatest stack depth: 23488 bytes left