[ 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!