[ 4566.305939][T29164] gre: GRE over IPv4 demultiplexer driver
[ 4568.218204][T29187] ip_gre: GRE over IPv4 tunneling driver
[ 4622.717214][T29760] ip6_gre: GRE over IPv6 tunneling driver
[ 4654.196647][T30103] ping (30103) used greatest stack depth: 22512 bytes left
[ 4659.741799][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4664.989727][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4669.533729][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4674.846742][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!