[ 3523.306197][T20517] gre: GRE over IPv4 demultiplexor driver
[ 3525.374162][T20541] ip_gre: GRE over IPv4 tunneling driver
[ 3586.986032][T21113] ip6_gre: GRE over IPv6 tunneling driver
[ 3629.378733][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3635.330645][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3640.195649][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3646.019648][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!