[ 4332.474919][T20217] gre: GRE over IPv4 demultiplexor driver
[ 4334.528705][T20241] ip_gre: GRE over IPv4 tunneling driver
[ 4395.967032][T20814] ip6_gre: GRE over IPv6 tunneling driver
[ 4439.439343][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4445.391217][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4451.216243][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4457.487228][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!