[ 4431.207891][T20354] gre: GRE over IPv4 demultiplexor driver
[ 4433.353117][T20377] ip_gre: GRE over IPv4 tunneling driver
[ 4494.985394][T20950] ip6_gre: GRE over IPv6 tunneling driver
[ 4538.073237][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4543.962136][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4548.954141][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4555.033134][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!