[ 4058.047380][T24583] gre: GRE over IPv4 demultiplexor driver
[ 4060.013032][T24607] ip_gre: GRE over IPv4 tunneling driver
[ 4119.635026][T25192] ip6_gre: GRE over IPv6 tunneling driver
[ 4126.628384][T25253] ping (25253) used greatest stack depth: 23232 bytes left
[ 4160.755337][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4166.578277][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4171.506281][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4177.330269][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!