[ 4532.159146][T20629] gre: GRE over IPv4 demultiplexer driver
[ 4533.839187][T20652] ip_gre: GRE over IPv4 tunneling driver
[ 4583.795062][T21224] ip6_gre: GRE over IPv6 tunneling driver
[ 4618.652832][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4623.708766][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4628.060760][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4633.181734][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!