[ 4250.401401][ T8879] gre: GRE over IPv4 demultiplexor driver
[ 4250.440301][ T8879] ip6_gre: GRE over IPv6 tunneling driver
[ 4250.571823][T18603] ip6_tunnel: er6 xmit: Local address not yet configured!
[ 4250.755540][T19769] ip6_tunnel: gt6 xmit: Local address not yet configured!