[ 4019.314281][T24571] gre: GRE over IPv4 demultiplexor driver
[ 4021.549222][T24595] ip_gre: GRE over IPv4 tunneling driver
[ 4083.367189][T25169] ip6_gre: GRE over IPv6 tunneling driver
[ 4126.751617][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4132.831573][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4137.887576][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4143.967547][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4351.976921][T27631] ping (27631) used greatest stack depth: 22944 bytes left