[ 4717.451321][T24700] gre: GRE over IPv4 demultiplexor driver [ 4719.723591][T24723] ip_gre: GRE over IPv4 tunneling driver [ 4787.053353][T25300] ip6_gre: GRE over IPv6 tunneling driver [ 4795.622261][T25368] ping (25368) used greatest stack depth: 23392 bytes left [ 4835.056411][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4841.391365][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4846.895337][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4853.487460][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!