[ 4729.578347][T24512] gre: GRE over IPv4 demultiplexor driver
[ 4731.779739][T24535] ip_gre: GRE over IPv4 tunneling driver
[ 4735.547279][T24578] ip (24578) used greatest stack depth: 23392 bytes left
[ 4797.640542][T25109] ip6_gre: GRE over IPv6 tunneling driver
[ 4826.756194][T25359] ping (25359) used greatest stack depth: 23328 bytes left
[ 4843.888322][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4850.224260][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4855.535248][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4861.807251][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!