[ 6427.667426][T23460] gre: GRE over IPv4 demultiplexor driver
[ 6427.694214][T23460] ip6_gre: GRE over IPv6 tunneling driver
[ 6427.892780][T17912] ip6_tunnel: er6 xmit: Local address not yet configured!
[ 6428.004647][   T56] ip6_tunnel: er6 xmit: Local address not yet configured!