[ 3657.703992][T27936] gre: GRE over IPv4 demultiplexor driver
[ 3659.300612][T27959] ip_gre: GRE over IPv4 tunneling driver
[ 3706.589505][T28532] ip6_gre: GRE over IPv6 tunneling driver
[ 3739.138400][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3743.938283][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3748.099292][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3752.898312][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!