[ 4447.287422][T26019] gre: GRE over IPv4 demultiplexor driver [ 4449.364105][T26043] ip_gre: GRE over IPv4 tunneling driver [ 4508.776383][T26615] ip6_gre: GRE over IPv6 tunneling driver [ 4529.447006][T26814] ping (26814) used greatest stack depth: 23488 bytes left [ 4534.706607][T26864] ping (26864) used greatest stack depth: 23376 bytes left [ 4550.009436][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4555.705385][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4560.505426][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4566.394380][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured!