[ 4391.640233][T29217] gre: GRE over IPv4 demultiplexer driver
[ 4393.282430][T29240] ip_gre: GRE over IPv4 tunneling driver
[ 4442.874427][T29811] ip6_gre: GRE over IPv6 tunneling driver
[ 4477.363919][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4482.419189][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4486.706177][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4491.698162][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!