[ 2841.239777][T23674] gre: GRE over IPv4 demultiplexer driver
[ 2842.791944][T23697] ip_gre: GRE over IPv4 tunneling driver
[ 2889.452272][T24275] ip6_gre: GRE over IPv6 tunneling driver
[ 2909.590298][T24524] ping (24524) used greatest stack depth: 23528 bytes left
[ 2922.408783][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2927.144644][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2931.240660][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2936.040679][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3011.198056][T25753] ping (25753) used greatest stack depth: 22752 bytes left