[ 2140.894572][T17620] gre: GRE over IPv4 demultiplexor driver
[ 2142.609022][T17643] ip_gre: GRE over IPv4 tunneling driver
[ 2197.748679][T18219] ip6_gre: GRE over IPv6 tunneling driver
[ 2234.605703][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2239.917467][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2244.461468][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2249.774433][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!