[ 4445.487157][T26091] gre: GRE over IPv4 demultiplexor driver
[ 4447.551363][T26114] ip_gre: GRE over IPv4 tunneling driver
[ 4508.647438][T26687] ip6_gre: GRE over IPv6 tunneling driver
[ 4525.686484][T26842] ping (26842) used greatest stack depth: 22976 bytes left
[ 4550.984001][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4556.807895][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4561.672889][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4567.687899][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!