[ 4394.539642][T28945] gre: GRE over IPv4 demultiplexer driver
[ 4396.216331][T28968] ip_gre: GRE over IPv4 tunneling driver
[ 4446.997233][T29540] ip6_gre: GRE over IPv6 tunneling driver
[ 4481.606193][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4486.726136][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4491.078076][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4496.070118][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4569.849387][T30943] ping (30943) used greatest stack depth: 23024 bytes left