[  767.267771] gre: GRE over IPv4 demultiplexor driver
[  767.451306] ip_gre: GRE over IPv4 tunneling driver
[  777.324560] ip6_gre: GRE over IPv6 tunneling driver
[  783.480436] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  784.888434] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  786.232410] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  787.641397] ip6_tunnel: tep0 xmit: Local address not yet configured!