[ 1640.772093][T24069] gre: GRE over IPv4 demultiplexer driver
[ 1641.274947][T24092] ip_gre: GRE over IPv4 tunneling driver
[ 1657.069644][T24663] ip6_gre: GRE over IPv6 tunneling driver
[ 1664.599903][T25006] ping (25006) used greatest stack depth: 22704 bytes left
[ 1667.480775][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1669.465732][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1671.321724][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1673.368747][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!