[ 3082.000703][T17248] gre: GRE over IPv4 demultiplexor driver
[ 3084.165058][T17271] ip_gre: GRE over IPv4 tunneling driver
[ 3145.663140][T17842] ip6_gre: GRE over IPv6 tunneling driver
[ 3188.650606][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3194.667570][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3199.979482][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3205.930500][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!